Home / 541,099.04-811,120.88-225,646.24

Finding the Fourth Proportional to 541,099.04, 811,120.88 and 225,646.24

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Solution

The fourth proportional to 541,099.04, 811,120.88 and 225,646.24 is: 338,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,099.04 : 811,120.88 = 225,646.24 : x
  2. Step 2: Convert to fraction form
    541,099.04/811,120.88 = 225,646.24/x
  3. Step 3: Cross multiply
    541,099.04x = 811,120.88 × 225,646.24
  4. Step 4: Simplify right side
    541,099.04x = 183,026,376,757.49
  5. Step 5: Solve for x
    x = 183,026,376,757.49/541,099.04
  6. Step 6: Final answer
    x = 338,249.31

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