Home / 814,151.76-1,123,663.96-451,692.38

Finding the Fourth Proportional to 814,151.76, 1,123,663.96 and 451,692.38

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Solution

The fourth proportional to 814,151.76, 1,123,663.96 and 451,692.38 is: 623,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,151.76 : 1,123,663.96 = 451,692.38 : x
  2. Step 2: Convert to fraction form
    814,151.76/1,123,663.96 = 451,692.38/x
  3. Step 3: Cross multiply
    814,151.76x = 1,123,663.96 × 451,692.38
  4. Step 4: Simplify right side
    814,151.76x = 507,550,451,786.40
  5. Step 5: Solve for x
    x = 507,550,451,786.40/814,151.76
  6. Step 6: Final answer
    x = 623,410.13

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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.