Home / 763,659.28-1,053,787.98-441,390.16

Finding the Fourth Proportional to 763,659.28, 1,053,787.98 and 441,390.16

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Solution

The fourth proportional to 763,659.28, 1,053,787.98 and 441,390.16 is: 609,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,659.28 : 1,053,787.98 = 441,390.16 : x
  2. Step 2: Convert to fraction form
    763,659.28/1,053,787.98 = 441,390.16/x
  3. Step 3: Cross multiply
    763,659.28x = 1,053,787.98 × 441,390.16
  4. Step 4: Simplify right side
    763,659.28x = 465,131,645,098.28
  5. Step 5: Solve for x
    x = 465,131,645,098.28/763,659.28
  6. Step 6: Final answer
    x = 609,082.69

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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.