Home / 824,471.82-1,236,508.74-344,440.26

Finding the Fourth Proportional to 824,471.82, 1,236,508.74 and 344,440.26

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Solution

The fourth proportional to 824,471.82, 1,236,508.74 and 344,440.26 is: 516,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,471.82 : 1,236,508.74 = 344,440.26 : x
  2. Step 2: Convert to fraction form
    824,471.82/1,236,508.74 = 344,440.26/x
  3. Step 3: Cross multiply
    824,471.82x = 1,236,508.74 × 344,440.26
  4. Step 4: Simplify right side
    824,471.82x = 425,903,391,897.87
  5. Step 5: Solve for x
    x = 425,903,391,897.87/824,471.82
  6. Step 6: Final answer
    x = 516,577.26

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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.