Home / 669,044.38-922,861.30-396,919.62

Finding the Fourth Proportional to 669,044.38, 922,861.30 and 396,919.62

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Solution

The fourth proportional to 669,044.38, 922,861.30 and 396,919.62 is: 547,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,044.38 : 922,861.30 = 396,919.62 : x
  2. Step 2: Convert to fraction form
    669,044.38/922,861.30 = 396,919.62/x
  3. Step 3: Cross multiply
    669,044.38x = 922,861.30 × 396,919.62
  4. Step 4: Simplify right side
    669,044.38x = 366,301,753,665.08
  5. Step 5: Solve for x
    x = 366,301,753,665.08/669,044.38
  6. Step 6: Final answer
    x = 547,499.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.