Home / 814,453.65-1,123,946.18-451,876.64

Finding the Fourth Proportional to 814,453.65, 1,123,946.18 and 451,876.64

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Solution

The fourth proportional to 814,453.65, 1,123,946.18 and 451,876.64 is: 623,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,453.65 : 1,123,946.18 = 451,876.64 : x
  2. Step 2: Convert to fraction form
    814,453.65/1,123,946.18 = 451,876.64/x
  3. Step 3: Cross multiply
    814,453.65x = 1,123,946.18 × 451,876.64
  4. Step 4: Simplify right side
    814,453.65x = 507,885,023,359.24
  5. Step 5: Solve for x
    x = 507,885,023,359.24/814,453.65
  6. Step 6: Final answer
    x = 623,589.84

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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.