Home / 866,428.48-1,195,591.06-479,235.57

Finding the Fourth Proportional to 866,428.48, 1,195,591.06 and 479,235.57

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Solution

The fourth proportional to 866,428.48, 1,195,591.06 and 479,235.57 is: 661,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,428.48 : 1,195,591.06 = 479,235.57 : x
  2. Step 2: Convert to fraction form
    866,428.48/1,195,591.06 = 479,235.57/x
  3. Step 3: Cross multiply
    866,428.48x = 1,195,591.06 × 479,235.57
  4. Step 4: Simplify right side
    866,428.48x = 572,969,761,335.12
  5. Step 5: Solve for x
    x = 572,969,761,335.12/866,428.48
  6. Step 6: Final answer
    x = 661,300.70

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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.