Home / 656,587.20-984,880.80-282,610.20

Finding the Fourth Proportional to 656,587.20, 984,880.80 and 282,610.20

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Solution

The fourth proportional to 656,587.20, 984,880.80 and 282,610.20 is: 423,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,587.20 : 984,880.80 = 282,610.20 : x
  2. Step 2: Convert to fraction form
    656,587.20/984,880.80 = 282,610.20/x
  3. Step 3: Cross multiply
    656,587.20x = 984,880.80 × 282,610.20
  4. Step 4: Simplify right side
    656,587.20x = 278,337,359,864.16
  5. Step 5: Solve for x
    x = 278,337,359,864.16/656,587.20
  6. Step 6: Final answer
    x = 423,915.30

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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.