Home / 622,128.10-934,176.30-472,537.30

Finding the Fourth Proportional to 622,128.10, 934,176.30 and 472,537.30

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Solution

The fourth proportional to 622,128.10, 934,176.30 and 472,537.30 is: 709,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,128.10 : 934,176.30 = 472,537.30 : x
  2. Step 2: Convert to fraction form
    622,128.10/934,176.30 = 472,537.30/x
  3. Step 3: Cross multiply
    622,128.10x = 934,176.30 × 472,537.30
  4. Step 4: Simplify right side
    622,128.10x = 441,433,146,525.99
  5. Step 5: Solve for x
    x = 441,433,146,525.99/622,128.10
  6. Step 6: Final answer
    x = 709,553.46

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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.