Home / 622,129.10-934,177.80-472,538.30

Finding the Fourth Proportional to 622,129.10, 934,177.80 and 472,538.30

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Solution

The fourth proportional to 622,129.10, 934,177.80 and 472,538.30 is: 709,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,129.10 : 934,177.80 = 472,538.30 : x
  2. Step 2: Convert to fraction form
    622,129.10/934,177.80 = 472,538.30/x
  3. Step 3: Cross multiply
    622,129.10x = 934,177.80 × 472,538.30
  4. Step 4: Simplify right side
    622,129.10x = 441,434,789,509.74
  5. Step 5: Solve for x
    x = 441,434,789,509.74/622,129.10
  6. Step 6: Final answer
    x = 709,554.96

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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.