Home / 834,143.40-1,251,215.10-497,564.10

Finding the Fourth Proportional to 834,143.40, 1,251,215.10 and 497,564.10

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Solution

The fourth proportional to 834,143.40, 1,251,215.10 and 497,564.10 is: 746,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,143.40 : 1,251,215.10 = 497,564.10 : x
  2. Step 2: Convert to fraction form
    834,143.40/1,251,215.10 = 497,564.10/x
  3. Step 3: Cross multiply
    834,143.40x = 1,251,215.10 × 497,564.10
  4. Step 4: Simplify right side
    834,143.40x = 622,559,715,137.91
  5. Step 5: Solve for x
    x = 622,559,715,137.91/834,143.40
  6. Step 6: Final answer
    x = 746,346.15

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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.