Home / 1,086,267.87-1,498,702.88-627,321.83

Finding the Fourth Proportional to 1,086,267.87, 1,498,702.88 and 627,321.83

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Solution

The fourth proportional to 1,086,267.87, 1,498,702.88 and 627,321.83 is: 865,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,267.87 : 1,498,702.88 = 627,321.83 : x
  2. Step 2: Convert to fraction form
    1,086,267.87/1,498,702.88 = 627,321.83/x
  3. Step 3: Cross multiply
    1,086,267.87x = 1,498,702.88 × 627,321.83
  4. Step 4: Simplify right side
    1,086,267.87x = 940,169,022,677.75
  5. Step 5: Solve for x
    x = 940,169,022,677.75/1,086,267.87
  6. Step 6: Final answer
    x = 865,503.85

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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.