Home / 328,832.20-493,248.30-275,688.10

Finding the Fourth Proportional to 328,832.20, 493,248.30 and 275,688.10

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Solution

The fourth proportional to 328,832.20, 493,248.30 and 275,688.10 is: 413,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,832.20 : 493,248.30 = 275,688.10 : x
  2. Step 2: Convert to fraction form
    328,832.20/493,248.30 = 275,688.10/x
  3. Step 3: Cross multiply
    328,832.20x = 493,248.30 × 275,688.10
  4. Step 4: Simplify right side
    328,832.20x = 135,982,686,655.23
  5. Step 5: Solve for x
    x = 135,982,686,655.23/328,832.20
  6. Step 6: Final answer
    x = 413,532.15

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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.