Home / 747,577.13-1,031,656.44-408,045.38

Finding the Fourth Proportional to 747,577.13, 1,031,656.44 and 408,045.38

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Solution

The fourth proportional to 747,577.13, 1,031,656.44 and 408,045.38 is: 563,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,577.13 : 1,031,656.44 = 408,045.38 : x
  2. Step 2: Convert to fraction form
    747,577.13/1,031,656.44 = 408,045.38/x
  3. Step 3: Cross multiply
    747,577.13x = 1,031,656.44 × 408,045.38
  4. Step 4: Simplify right side
    747,577.13x = 420,962,638,930.97
  5. Step 5: Solve for x
    x = 420,962,638,930.97/747,577.13
  6. Step 6: Final answer
    x = 563,102.62

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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.