Home / 865,803.15-1,298,704.68-234,700.56

Finding the Fourth Proportional to 865,803.15, 1,298,704.68 and 234,700.56

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Solution

The fourth proportional to 865,803.15, 1,298,704.68 and 234,700.56 is: 352,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,803.15 : 1,298,704.68 = 234,700.56 : x
  2. Step 2: Convert to fraction form
    865,803.15/1,298,704.68 = 234,700.56/x
  3. Step 3: Cross multiply
    865,803.15x = 1,298,704.68 × 234,700.56
  4. Step 4: Simplify right side
    865,803.15x = 304,806,715,670.62
  5. Step 5: Solve for x
    x = 304,806,715,670.62/865,803.15
  6. Step 6: Final answer
    x = 352,050.83

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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.