Home / 1,587,936.39-2,380,565.60-688,700.85

Finding the Fourth Proportional to 1,587,936.39, 2,380,565.60 and 688,700.85

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Solution

The fourth proportional to 1,587,936.39, 2,380,565.60 and 688,700.85 is: 1,032,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,936.39 : 2,380,565.60 = 688,700.85 : x
  2. Step 2: Convert to fraction form
    1,587,936.39/2,380,565.60 = 688,700.85/x
  3. Step 3: Cross multiply
    1,587,936.39x = 2,380,565.60 × 688,700.85
  4. Step 4: Simplify right side
    1,587,936.39x = 1,639,497,542,412.76
  5. Step 5: Solve for x
    x = 1,639,497,542,412.76/1,587,936.39
  6. Step 6: Final answer
    x = 1,032,470.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.