Home / 623,181.04-860,699.21-418,877.26

Finding the Fourth Proportional to 623,181.04, 860,699.21 and 418,877.26

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Solution

The fourth proportional to 623,181.04, 860,699.21 and 418,877.26 is: 578,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,181.04 : 860,699.21 = 418,877.26 : x
  2. Step 2: Convert to fraction form
    623,181.04/860,699.21 = 418,877.26/x
  3. Step 3: Cross multiply
    623,181.04x = 860,699.21 × 418,877.26
  4. Step 4: Simplify right side
    623,181.04x = 360,527,322,522.83
  5. Step 5: Solve for x
    x = 360,527,322,522.83/623,181.04
  6. Step 6: Final answer
    x = 578,527.43

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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.