Home / 865,677.57-1,298,516.37-234,591.36

Finding the Fourth Proportional to 865,677.57, 1,298,516.37 and 234,591.36

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Solution

The fourth proportional to 865,677.57, 1,298,516.37 and 234,591.36 is: 351,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,677.57 : 1,298,516.37 = 234,591.36 : x
  2. Step 2: Convert to fraction form
    865,677.57/1,298,516.37 = 234,591.36/x
  3. Step 3: Cross multiply
    865,677.57x = 1,298,516.37 × 234,591.36
  4. Step 4: Simplify right side
    865,677.57x = 304,620,721,220.56
  5. Step 5: Solve for x
    x = 304,620,721,220.56/865,677.57
  6. Step 6: Final answer
    x = 351,887.04

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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.