Home / 764,176.10-1,146,264.15-409,882.10

Finding the Fourth Proportional to 764,176.10, 1,146,264.15 and 409,882.10

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Solution

The fourth proportional to 764,176.10, 1,146,264.15 and 409,882.10 is: 614,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,176.10 : 1,146,264.15 = 409,882.10 : x
  2. Step 2: Convert to fraction form
    764,176.10/1,146,264.15 = 409,882.10/x
  3. Step 3: Cross multiply
    764,176.10x = 1,146,264.15 × 409,882.10
  4. Step 4: Simplify right side
    764,176.10x = 469,833,156,956.72
  5. Step 5: Solve for x
    x = 469,833,156,956.72/764,176.10
  6. Step 6: Final answer
    x = 614,823.15

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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.