Home / 559,972.20-840,833.10-323,776.20

Finding the Fourth Proportional to 559,972.20, 840,833.10 and 323,776.20

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Solution

The fourth proportional to 559,972.20, 840,833.10 and 323,776.20 is: 486,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,972.20 : 840,833.10 = 323,776.20 : x
  2. Step 2: Convert to fraction form
    559,972.20/840,833.10 = 323,776.20/x
  3. Step 3: Cross multiply
    559,972.20x = 840,833.10 × 323,776.20
  4. Step 4: Simplify right side
    559,972.20x = 272,241,745,952.22
  5. Step 5: Solve for x
    x = 272,241,745,952.22/559,972.20
  6. Step 6: Final answer
    x = 486,170.11

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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.