Home / 834,233.40-1,251,609.30-328,858.20

Finding the Fourth Proportional to 834,233.40, 1,251,609.30 and 328,858.20

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Solution

The fourth proportional to 834,233.40, 1,251,609.30 and 328,858.20 is: 493,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,233.40 : 1,251,609.30 = 328,858.20 : x
  2. Step 2: Convert to fraction form
    834,233.40/1,251,609.30 = 328,858.20/x
  3. Step 3: Cross multiply
    834,233.40x = 1,251,609.30 × 328,858.20
  4. Step 4: Simplify right side
    834,233.40x = 411,601,981,501.26
  5. Step 5: Solve for x
    x = 411,601,981,501.26/834,233.40
  6. Step 6: Final answer
    x = 493,389.48

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Double scale
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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.