Home / 747,657.71-1,031,754.43-425,360.89

Finding the Fourth Proportional to 747,657.71, 1,031,754.43 and 425,360.89

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Solution

The fourth proportional to 747,657.71, 1,031,754.43 and 425,360.89 is: 586,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,657.71 : 1,031,754.43 = 425,360.89 : x
  2. Step 2: Convert to fraction form
    747,657.71/1,031,754.43 = 425,360.89/x
  3. Step 3: Cross multiply
    747,657.71x = 1,031,754.43 × 425,360.89
  4. Step 4: Simplify right side
    747,657.71x = 438,867,984,427.64
  5. Step 5: Solve for x
    x = 438,867,984,427.64/747,657.71
  6. Step 6: Final answer
    x = 586,990.52

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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.