Home / 540,972.04-811,531.90-225,355.12

Finding the Fourth Proportional to 540,972.04, 811,531.90 and 225,355.12

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Solution

The fourth proportional to 540,972.04, 811,531.90 and 225,355.12 is: 338,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,972.04 : 811,531.90 = 225,355.12 : x
  2. Step 2: Convert to fraction form
    540,972.04/811,531.90 = 225,355.12/x
  3. Step 3: Cross multiply
    540,972.04x = 811,531.90 × 225,355.12
  4. Step 4: Simplify right side
    540,972.04x = 182,882,868,708.33
  5. Step 5: Solve for x
    x = 182,882,868,708.33/540,972.04
  6. Step 6: Final answer
    x = 338,063.44

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Double scale
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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.