Home / 810,601.60-1,215,902.40-744,246.40

Finding the Fourth Proportional to 810,601.60, 1,215,902.40 and 744,246.40

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Solution

The fourth proportional to 810,601.60, 1,215,902.40 and 744,246.40 is: 1,116,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,601.60 : 1,215,902.40 = 744,246.40 : x
  2. Step 2: Convert to fraction form
    810,601.60/1,215,902.40 = 744,246.40/x
  3. Step 3: Cross multiply
    810,601.60x = 1,215,902.40 × 744,246.40
  4. Step 4: Simplify right side
    810,601.60x = 904,930,983,951.36
  5. Step 5: Solve for x
    x = 904,930,983,951.36/810,601.60
  6. Step 6: Final answer
    x = 1,116,369.60

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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.