Home / 725,892.57-1,001,705.53-399,202.76

Finding the Fourth Proportional to 725,892.57, 1,001,705.53 and 399,202.76

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Solution

The fourth proportional to 725,892.57, 1,001,705.53 and 399,202.76 is: 550,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,892.57 : 1,001,705.53 = 399,202.76 : x
  2. Step 2: Convert to fraction form
    725,892.57/1,001,705.53 = 399,202.76/x
  3. Step 3: Cross multiply
    725,892.57x = 1,001,705.53 × 399,202.76
  4. Step 4: Simplify right side
    725,892.57x = 399,883,612,283.26
  5. Step 5: Solve for x
    x = 399,883,612,283.26/725,892.57
  6. Step 6: Final answer
    x = 550,885.39

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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.