Home / 749,774.80-1,033,951.98-687,538.27

Finding the Fourth Proportional to 749,774.80, 1,033,951.98 and 687,538.27

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Solution

The fourth proportional to 749,774.80, 1,033,951.98 and 687,538.27 is: 948,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,774.80 : 1,033,951.98 = 687,538.27 : x
  2. Step 2: Convert to fraction form
    749,774.80/1,033,951.98 = 687,538.27/x
  3. Step 3: Cross multiply
    749,774.80x = 1,033,951.98 × 687,538.27
  4. Step 4: Simplify right side
    749,774.80x = 710,881,555,592.28
  5. Step 5: Solve for x
    x = 710,881,555,592.28/749,774.80
  6. Step 6: Final answer
    x = 948,126.76

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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.