Home / 865,725.43-1,298,588.14-234,639.24

Finding the Fourth Proportional to 865,725.43, 1,298,588.14 and 234,639.24

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Solution

The fourth proportional to 865,725.43, 1,298,588.14 and 234,639.24 is: 351,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,725.43 : 1,298,588.14 = 234,639.24 : x
  2. Step 2: Convert to fraction form
    865,725.43/1,298,588.14 = 234,639.24/x
  3. Step 3: Cross multiply
    865,725.43x = 1,298,588.14 × 234,639.24
  4. Step 4: Simplify right side
    865,725.43x = 304,699,726,576.48
  5. Step 5: Solve for x
    x = 304,699,726,576.48/865,725.43
  6. Step 6: Final answer
    x = 351,958.85

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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.