Home / 834,128.40-1,251,192.60-497,549.10

Finding the Fourth Proportional to 834,128.40, 1,251,192.60 and 497,549.10

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Solution

The fourth proportional to 834,128.40, 1,251,192.60 and 497,549.10 is: 746,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,128.40 : 1,251,192.60 = 497,549.10 : x
  2. Step 2: Convert to fraction form
    834,128.40/1,251,192.60 = 497,549.10/x
  3. Step 3: Cross multiply
    834,128.40x = 1,251,192.60 × 497,549.10
  4. Step 4: Simplify right side
    834,128.40x = 622,529,752,056.66
  5. Step 5: Solve for x
    x = 622,529,752,056.66/834,128.40
  6. Step 6: Final answer
    x = 746,323.65

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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.