Home / 1,098,531.40-1,647,797.10-538,659.40

Finding the Fourth Proportional to 1,098,531.40, 1,647,797.10 and 538,659.40

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Solution

The fourth proportional to 1,098,531.40, 1,647,797.10 and 538,659.40 is: 807,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,531.40 : 1,647,797.10 = 538,659.40 : x
  2. Step 2: Convert to fraction form
    1,098,531.40/1,647,797.10 = 538,659.40/x
  3. Step 3: Cross multiply
    1,098,531.40x = 1,647,797.10 × 538,659.40
  4. Step 4: Simplify right side
    1,098,531.40x = 887,601,397,207.74
  5. Step 5: Solve for x
    x = 887,601,397,207.74/1,098,531.40
  6. Step 6: Final answer
    x = 807,989.10

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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.