Home / 725,761.62-1,001,585.21-403,477.10

Finding the Fourth Proportional to 725,761.62, 1,001,585.21 and 403,477.10

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Solution

The fourth proportional to 725,761.62, 1,001,585.21 and 403,477.10 is: 556,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,761.62 : 1,001,585.21 = 403,477.10 : x
  2. Step 2: Convert to fraction form
    725,761.62/1,001,585.21 = 403,477.10/x
  3. Step 3: Cross multiply
    725,761.62x = 1,001,585.21 × 403,477.10
  4. Step 4: Simplify right side
    725,761.62x = 404,116,688,908.38
  5. Step 5: Solve for x
    x = 404,116,688,908.38/725,761.62
  6. Step 6: Final answer
    x = 556,817.39

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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.