Home / 813,792.33-1,123,149.65-451,296.81

Finding the Fourth Proportional to 813,792.33, 1,123,149.65 and 451,296.81

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Solution

The fourth proportional to 813,792.33, 1,123,149.65 and 451,296.81 is: 622,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,792.33 : 1,123,149.65 = 451,296.81 : x
  2. Step 2: Convert to fraction form
    813,792.33/1,123,149.65 = 451,296.81/x
  3. Step 3: Cross multiply
    813,792.33x = 1,123,149.65 × 451,296.81
  4. Step 4: Simplify right side
    813,792.33x = 506,873,851,941.13
  5. Step 5: Solve for x
    x = 506,873,851,941.13/813,792.33
  6. Step 6: Final answer
    x = 622,854.05

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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.