Home / 884,050.20-1,220,135.58-521,562.78

Finding the Fourth Proportional to 884,050.20, 1,220,135.58 and 521,562.78

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Solution

The fourth proportional to 884,050.20, 1,220,135.58 and 521,562.78 is: 719,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,050.20 : 1,220,135.58 = 521,562.78 : x
  2. Step 2: Convert to fraction form
    884,050.20/1,220,135.58 = 521,562.78/x
  3. Step 3: Cross multiply
    884,050.20x = 1,220,135.58 × 521,562.78
  4. Step 4: Simplify right side
    884,050.20x = 636,377,305,081.71
  5. Step 5: Solve for x
    x = 636,377,305,081.71/884,050.20
  6. Step 6: Final answer
    x = 719,842.95

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Double scale
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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.