Home / 579,723.60-869,585.40-264,795.60

Finding the Fourth Proportional to 579,723.60, 869,585.40 and 264,795.60

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Solution

The fourth proportional to 579,723.60, 869,585.40 and 264,795.60 is: 397,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,723.60 : 869,585.40 = 264,795.60 : x
  2. Step 2: Convert to fraction form
    579,723.60/869,585.40 = 264,795.60/x
  3. Step 3: Cross multiply
    579,723.60x = 869,585.40 × 264,795.60
  4. Step 4: Simplify right side
    579,723.60x = 230,262,387,744.24
  5. Step 5: Solve for x
    x = 230,262,387,744.24/579,723.60
  6. Step 6: Final answer
    x = 397,193.40

Related Problems

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Half scale
Find fourth proportional to 1,159,447.20, 1,739,170.80 and 529,591.20
Double scale
Find fourth proportional to 579,724.60, 869,586.90 and 264,796.60
Similar ratio
Find fourth proportional to 869,585.40, 1,304,378.10 and 397,193.40
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.