Home / 814,045.60-1,123,302.90-451,463.14

Finding the Fourth Proportional to 814,045.60, 1,123,302.90 and 451,463.14

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Solution

The fourth proportional to 814,045.60, 1,123,302.90 and 451,463.14 is: 622,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,045.60 : 1,123,302.90 = 451,463.14 : x
  2. Step 2: Convert to fraction form
    814,045.60/1,123,302.90 = 451,463.14/x
  3. Step 3: Cross multiply
    814,045.60x = 1,123,302.90 × 451,463.14
  4. Step 4: Simplify right side
    814,045.60x = 507,129,854,405.11
  5. Step 5: Solve for x
    x = 507,129,854,405.11/814,045.60
  6. Step 6: Final answer
    x = 622,974.75

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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.