Home / 623,439.42-860,329.14-351,504.90

Finding the Fourth Proportional to 623,439.42, 860,329.14 and 351,504.90

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Solution

The fourth proportional to 623,439.42, 860,329.14 and 351,504.90 is: 485,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,439.42 : 860,329.14 = 351,504.90 : x
  2. Step 2: Convert to fraction form
    623,439.42/860,329.14 = 351,504.90/x
  3. Step 3: Cross multiply
    623,439.42x = 860,329.14 × 351,504.90
  4. Step 4: Simplify right side
    623,439.42x = 302,409,908,322.79
  5. Step 5: Solve for x
    x = 302,409,908,322.79/623,439.42
  6. Step 6: Final answer
    x = 485,067.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.