Home / 657,678.20-986,517.30-184,443.80

Finding the Fourth Proportional to 657,678.20, 986,517.30 and 184,443.80

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Solution

The fourth proportional to 657,678.20, 986,517.30 and 184,443.80 is: 276,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,678.20 : 986,517.30 = 184,443.80 : x
  2. Step 2: Convert to fraction form
    657,678.20/986,517.30 = 184,443.80/x
  3. Step 3: Cross multiply
    657,678.20x = 986,517.30 × 184,443.80
  4. Step 4: Simplify right side
    657,678.20x = 181,956,999,577.74
  5. Step 5: Solve for x
    x = 181,956,999,577.74/657,678.20
  6. Step 6: Final answer
    x = 276,665.70

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Double scale
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Similar ratio
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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.