Home / 813,941.33-1,123,146.18-451,273.55

Finding the Fourth Proportional to 813,941.33, 1,123,146.18 and 451,273.55

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Solution

The fourth proportional to 813,941.33, 1,123,146.18 and 451,273.55 is: 622,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,941.33 : 1,123,146.18 = 451,273.55 : x
  2. Step 2: Convert to fraction form
    813,941.33/1,123,146.18 = 451,273.55/x
  3. Step 3: Cross multiply
    813,941.33x = 1,123,146.18 × 451,273.55
  4. Step 4: Simplify right side
    813,941.33x = 506,846,158,201.81
  5. Step 5: Solve for x
    x = 506,846,158,201.81/813,941.33
  6. Step 6: Final answer
    x = 622,706.01

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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.