Home / 814,151.70-1,123,663.88-451,692.32

Finding the Fourth Proportional to 814,151.70, 1,123,663.88 and 451,692.32

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Solution

The fourth proportional to 814,151.70, 1,123,663.88 and 451,692.32 is: 623,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,151.70 : 1,123,663.88 = 451,692.32 : x
  2. Step 2: Convert to fraction form
    814,151.70/1,123,663.88 = 451,692.32/x
  3. Step 3: Cross multiply
    814,151.70x = 1,123,663.88 × 451,692.32
  4. Step 4: Simplify right side
    814,151.70x = 507,550,342,598.94
  5. Step 5: Solve for x
    x = 507,550,342,598.94/814,151.70
  6. Step 6: Final answer
    x = 623,410.04

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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.