Home / 766,292.54-1,057,516.50-426,760.79

Finding the Fourth Proportional to 766,292.54, 1,057,516.50 and 426,760.79

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Solution

The fourth proportional to 766,292.54, 1,057,516.50 and 426,760.79 is: 588,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,292.54 : 1,057,516.50 = 426,760.79 : x
  2. Step 2: Convert to fraction form
    766,292.54/1,057,516.50 = 426,760.79/x
  3. Step 3: Cross multiply
    766,292.54x = 1,057,516.50 × 426,760.79
  4. Step 4: Simplify right side
    766,292.54x = 451,306,573,290.81
  5. Step 5: Solve for x
    x = 451,306,573,290.81/766,292.54
  6. Step 6: Final answer
    x = 588,948.15

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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.