Home / 1,098,178.98-1,646,882.58-329,447.49

Finding the Fourth Proportional to 1,098,178.98, 1,646,882.58 and 329,447.49

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Solution

The fourth proportional to 1,098,178.98, 1,646,882.58 and 329,447.49 is: 494,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,178.98 : 1,646,882.58 = 329,447.49 : x
  2. Step 2: Convert to fraction form
    1,098,178.98/1,646,882.58 = 329,447.49/x
  3. Step 3: Cross multiply
    1,098,178.98x = 1,646,882.58 × 329,447.49
  4. Step 4: Simplify right side
    1,098,178.98x = 542,561,332,305.72
  5. Step 5: Solve for x
    x = 542,561,332,305.72/1,098,178.98
  6. Step 6: Final answer
    x = 494,055.47

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Half scale
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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.