Home / 747,310.50-1,031,755.06-479,505.06

Finding the Fourth Proportional to 747,310.50, 1,031,755.06 and 479,505.06

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Solution

The fourth proportional to 747,310.50, 1,031,755.06 and 479,505.06 is: 662,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,310.50 : 1,031,755.06 = 479,505.06 : x
  2. Step 2: Convert to fraction form
    747,310.50/1,031,755.06 = 479,505.06/x
  3. Step 3: Cross multiply
    747,310.50x = 1,031,755.06 × 479,505.06
  4. Step 4: Simplify right side
    747,310.50x = 494,731,771,950.60
  5. Step 5: Solve for x
    x = 494,731,771,950.60/747,310.50
  6. Step 6: Final answer
    x = 662,016.35

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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.