Home / 725,617.44-1,001,433.38-403,358.13

Finding the Fourth Proportional to 725,617.44, 1,001,433.38 and 403,358.13

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Solution

The fourth proportional to 725,617.44, 1,001,433.38 and 403,358.13 is: 556,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,617.44 : 1,001,433.38 = 403,358.13 : x
  2. Step 2: Convert to fraction form
    725,617.44/1,001,433.38 = 403,358.13/x
  3. Step 3: Cross multiply
    725,617.44x = 1,001,433.38 × 403,358.13
  4. Step 4: Simplify right side
    725,617.44x = 403,936,293,459.59
  5. Step 5: Solve for x
    x = 403,936,293,459.59/725,617.44
  6. Step 6: Final answer
    x = 556,679.42

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.