Home / 866,246.70-1,299,370.05-656,294.70

Finding the Fourth Proportional to 866,246.70, 1,299,370.05 and 656,294.70

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Solution

The fourth proportional to 866,246.70, 1,299,370.05 and 656,294.70 is: 984,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,246.70 : 1,299,370.05 = 656,294.70 : x
  2. Step 2: Convert to fraction form
    866,246.70/1,299,370.05 = 656,294.70/x
  3. Step 3: Cross multiply
    866,246.70x = 1,299,370.05 × 656,294.70
  4. Step 4: Simplify right side
    866,246.70x = 852,769,677,153.74
  5. Step 5: Solve for x
    x = 852,769,677,153.74/866,246.70
  6. Step 6: Final answer
    x = 984,442.05

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Double scale
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Similar ratio
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1.5x scale

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.