Home / 814,060.76-1,123,441.35-451,463.03

Finding the Fourth Proportional to 814,060.76, 1,123,441.35 and 451,463.03

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Solution

The fourth proportional to 814,060.76, 1,123,441.35 and 451,463.03 is: 623,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,060.76 : 1,123,441.35 = 451,463.03 : x
  2. Step 2: Convert to fraction form
    814,060.76/1,123,441.35 = 451,463.03/x
  3. Step 3: Cross multiply
    814,060.76x = 1,123,441.35 × 451,463.03
  4. Step 4: Simplify right side
    814,060.76x = 507,192,230,281.08
  5. Step 5: Solve for x
    x = 507,192,230,281.08/814,060.76
  6. Step 6: Final answer
    x = 623,039.77

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Double scale
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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.