Home / 656,585.20-984,877.80-282,608.20

Finding the Fourth Proportional to 656,585.20, 984,877.80 and 282,608.20

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Solution

The fourth proportional to 656,585.20, 984,877.80 and 282,608.20 is: 423,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,585.20 : 984,877.80 = 282,608.20 : x
  2. Step 2: Convert to fraction form
    656,585.20/984,877.80 = 282,608.20/x
  3. Step 3: Cross multiply
    656,585.20x = 984,877.80 × 282,608.20
  4. Step 4: Simplify right side
    656,585.20x = 278,334,542,277.96
  5. Step 5: Solve for x
    x = 278,334,542,277.96/656,585.20
  6. Step 6: Final answer
    x = 423,912.30

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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.