Home / 1,098,614.10-1,647,921.15-433,679.70

Finding the Fourth Proportional to 1,098,614.10, 1,647,921.15 and 433,679.70

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Solution

The fourth proportional to 1,098,614.10, 1,647,921.15 and 433,679.70 is: 650,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,614.10 : 1,647,921.15 = 433,679.70 : x
  2. Step 2: Convert to fraction form
    1,098,614.10/1,647,921.15 = 433,679.70/x
  3. Step 3: Cross multiply
    1,098,614.10x = 1,647,921.15 × 433,679.70
  4. Step 4: Simplify right side
    1,098,614.10x = 714,669,949,955.66
  5. Step 5: Solve for x
    x = 714,669,949,955.66/1,098,614.10
  6. Step 6: Final answer
    x = 650,519.55

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Double scale
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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.