Home / 935,156.31-1,290,489.82-527,254.53

Finding the Fourth Proportional to 935,156.31, 1,290,489.82 and 527,254.53

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Solution

The fourth proportional to 935,156.31, 1,290,489.82 and 527,254.53 is: 727,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,156.31 : 1,290,489.82 = 527,254.53 : x
  2. Step 2: Convert to fraction form
    935,156.31/1,290,489.82 = 527,254.53/x
  3. Step 3: Cross multiply
    935,156.31x = 1,290,489.82 × 527,254.53
  4. Step 4: Simplify right side
    935,156.31x = 680,416,607,581.22
  5. Step 5: Solve for x
    x = 680,416,607,581.22/935,156.31
  6. Step 6: Final answer
    x = 727,596.66

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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.