Home / 656,882.20-985,323.30-341,954.20

Finding the Fourth Proportional to 656,882.20, 985,323.30 and 341,954.20

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Solution

The fourth proportional to 656,882.20, 985,323.30 and 341,954.20 is: 512,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,882.20 : 985,323.30 = 341,954.20 : x
  2. Step 2: Convert to fraction form
    656,882.20/985,323.30 = 341,954.20/x
  3. Step 3: Cross multiply
    656,882.20x = 985,323.30 × 341,954.20
  4. Step 4: Simplify right side
    656,882.20x = 336,935,440,792.86
  5. Step 5: Solve for x
    x = 336,935,440,792.86/656,882.20
  6. Step 6: Final answer
    x = 512,931.30

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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.