Home / 828,712.62-1,143,724.46-466,151.76

Finding the Fourth Proportional to 828,712.62, 1,143,724.46 and 466,151.76

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Solution

The fourth proportional to 828,712.62, 1,143,724.46 and 466,151.76 is: 643,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,712.62 : 1,143,724.46 = 466,151.76 : x
  2. Step 2: Convert to fraction form
    828,712.62/1,143,724.46 = 466,151.76/x
  3. Step 3: Cross multiply
    828,712.62x = 1,143,724.46 × 466,151.76
  4. Step 4: Simplify right side
    828,712.62x = 533,149,167,653.29
  5. Step 5: Solve for x
    x = 533,149,167,653.29/828,712.62
  6. Step 6: Final answer
    x = 643,346.26

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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.