Home / 834,074.10-1,251,111.27-202,987.92

Finding the Fourth Proportional to 834,074.10, 1,251,111.27 and 202,987.92

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Solution

The fourth proportional to 834,074.10, 1,251,111.27 and 202,987.92 is: 304,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,074.10 : 1,251,111.27 = 202,987.92 : x
  2. Step 2: Convert to fraction form
    834,074.10/1,251,111.27 = 202,987.92/x
  3. Step 3: Cross multiply
    834,074.10x = 1,251,111.27 × 202,987.92
  4. Step 4: Simplify right side
    834,074.10x = 253,960,474,385.86
  5. Step 5: Solve for x
    x = 253,960,474,385.86/834,074.10
  6. Step 6: Final answer
    x = 304,481.91

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Half scale
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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.