Home / 784,342.48-1,082,414.46-440,199.76

Finding the Fourth Proportional to 784,342.48, 1,082,414.46 and 440,199.76

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Solution

The fourth proportional to 784,342.48, 1,082,414.46 and 440,199.76 is: 607,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,342.48 : 1,082,414.46 = 440,199.76 : x
  2. Step 2: Convert to fraction form
    784,342.48/1,082,414.46 = 440,199.76/x
  3. Step 3: Cross multiply
    784,342.48x = 1,082,414.46 × 440,199.76
  4. Step 4: Simplify right side
    784,342.48x = 476,478,585,512.53
  5. Step 5: Solve for x
    x = 476,478,585,512.53/784,342.48
  6. Step 6: Final answer
    x = 607,487.92

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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.