Home / 725,767.17-1,001,584.37-399,105.11

Finding the Fourth Proportional to 725,767.17, 1,001,584.37 and 399,105.11

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Solution

The fourth proportional to 725,767.17, 1,001,584.37 and 399,105.11 is: 550,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,767.17 : 1,001,584.37 = 399,105.11 : x
  2. Step 2: Convert to fraction form
    725,767.17/1,001,584.37 = 399,105.11/x
  3. Step 3: Cross multiply
    725,767.17x = 1,001,584.37 × 399,105.11
  4. Step 4: Simplify right side
    725,767.17x = 399,737,433,159.68
  5. Step 5: Solve for x
    x = 399,737,433,159.68/725,767.17
  6. Step 6: Final answer
    x = 550,779.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.