Home / 814,151.57-1,123,663.71-451,692.20

Finding the Fourth Proportional to 814,151.57, 1,123,663.71 and 451,692.20

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Solution

The fourth proportional to 814,151.57, 1,123,663.71 and 451,692.20 is: 623,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,151.57 : 1,123,663.71 = 451,692.20 : x
  2. Step 2: Convert to fraction form
    814,151.57/1,123,663.71 = 451,692.20/x
  3. Step 3: Cross multiply
    814,151.57x = 1,123,663.71 × 451,692.20
  4. Step 4: Simplify right side
    814,151.57x = 507,550,127,611.74
  5. Step 5: Solve for x
    x = 507,550,127,611.74/814,151.57
  6. Step 6: Final answer
    x = 623,409.88

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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.