Home / 868,520.76-1,199,292.78-653,285.88

Finding the Fourth Proportional to 868,520.76, 1,199,292.78 and 653,285.88

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Solution

The fourth proportional to 868,520.76, 1,199,292.78 and 653,285.88 is: 902,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,520.76 : 1,199,292.78 = 653,285.88 : x
  2. Step 2: Convert to fraction form
    868,520.76/1,199,292.78 = 653,285.88/x
  3. Step 3: Cross multiply
    868,520.76x = 1,199,292.78 × 653,285.88
  4. Step 4: Simplify right side
    868,520.76x = 783,481,039,159.95
  5. Step 5: Solve for x
    x = 783,481,039,159.95/868,520.76
  6. Step 6: Final answer
    x = 902,086.71

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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.