Home / 747,545.45-1,031,546.18-416,376.03

Finding the Fourth Proportional to 747,545.45, 1,031,546.18 and 416,376.03

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Solution

The fourth proportional to 747,545.45, 1,031,546.18 and 416,376.03 is: 574,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,545.45 : 1,031,546.18 = 416,376.03 : x
  2. Step 2: Convert to fraction form
    747,545.45/1,031,546.18 = 416,376.03/x
  3. Step 3: Cross multiply
    747,545.45x = 1,031,546.18 × 416,376.03
  4. Step 4: Simplify right side
    747,545.45x = 429,511,103,190.07
  5. Step 5: Solve for x
    x = 429,511,103,190.07/747,545.45
  6. Step 6: Final answer
    x = 574,561.86

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1.5x scale

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.