Home / 814,338.06-1,123,787.84-451,761.93

Finding the Fourth Proportional to 814,338.06, 1,123,787.84 and 451,761.93

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Solution

The fourth proportional to 814,338.06, 1,123,787.84 and 451,761.93 is: 623,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,338.06 : 1,123,787.84 = 451,761.93 : x
  2. Step 2: Convert to fraction form
    814,338.06/1,123,787.84 = 451,761.93/x
  3. Step 3: Cross multiply
    814,338.06x = 1,123,787.84 × 451,761.93
  4. Step 4: Simplify right side
    814,338.06x = 507,684,561,250.12
  5. Step 5: Solve for x
    x = 507,684,561,250.12/814,338.06
  6. Step 6: Final answer
    x = 623,432.19

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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.