Home / 725,504.17-1,001,174.23-415,396.45

Finding the Fourth Proportional to 725,504.17, 1,001,174.23 and 415,396.45

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Solution

The fourth proportional to 725,504.17, 1,001,174.23 and 415,396.45 is: 573,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,504.17 : 1,001,174.23 = 415,396.45 : x
  2. Step 2: Convert to fraction form
    725,504.17/1,001,174.23 = 415,396.45/x
  3. Step 3: Cross multiply
    725,504.17x = 1,001,174.23 × 415,396.45
  4. Step 4: Simplify right side
    725,504.17x = 415,884,220,973.48
  5. Step 5: Solve for x
    x = 415,884,220,973.48/725,504.17
  6. Step 6: Final answer
    x = 573,234.78

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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.