Home / 1,178,074.08-1,766,099.10-409,471.92

Finding the Fourth Proportional to 1,178,074.08, 1,766,099.10 and 409,471.92

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Solution

The fourth proportional to 1,178,074.08, 1,766,099.10 and 409,471.92 is: 613,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,074.08 : 1,766,099.10 = 409,471.92 : x
  2. Step 2: Convert to fraction form
    1,178,074.08/1,766,099.10 = 409,471.92/x
  3. Step 3: Cross multiply
    1,178,074.08x = 1,766,099.10 × 409,471.92
  4. Step 4: Simplify right side
    1,178,074.08x = 723,167,989,387.27
  5. Step 5: Solve for x
    x = 723,167,989,387.27/1,178,074.08
  6. Step 6: Final answer
    x = 613,856.12

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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.