Home / 813,732.05-1,122,948.23-451,146.62

Finding the Fourth Proportional to 813,732.05, 1,122,948.23 and 451,146.62

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Solution

The fourth proportional to 813,732.05, 1,122,948.23 and 451,146.62 is: 622,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,732.05 : 1,122,948.23 = 451,146.62 : x
  2. Step 2: Convert to fraction form
    813,732.05/1,122,948.23 = 451,146.62/x
  3. Step 3: Cross multiply
    813,732.05x = 1,122,948.23 × 451,146.62
  4. Step 4: Simplify right side
    813,732.05x = 506,614,290,529.01
  5. Step 5: Solve for x
    x = 506,614,290,529.01/813,732.05
  6. Step 6: Final answer
    x = 622,581.22

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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.