Home / 540,989.10-811,557.50-225,372.20

Finding the Fourth Proportional to 540,989.10, 811,557.50 and 225,372.20

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Solution

The fourth proportional to 540,989.10, 811,557.50 and 225,372.20 is: 338,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,989.10 : 811,557.50 = 225,372.20 : x
  2. Step 2: Convert to fraction form
    540,989.10/811,557.50 = 225,372.20/x
  3. Step 3: Cross multiply
    540,989.10x = 811,557.50 × 225,372.20
  4. Step 4: Simplify right side
    540,989.10x = 182,902,494,016.85
  5. Step 5: Solve for x
    x = 182,902,494,016.85/540,989.10
  6. Step 6: Final answer
    x = 338,089.06

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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.