Home / 814,148.44-1,123,593.78-451,688.92

Finding the Fourth Proportional to 814,148.44, 1,123,593.78 and 451,688.92

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Solution

The fourth proportional to 814,148.44, 1,123,593.78 and 451,688.92 is: 623,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,148.44 : 1,123,593.78 = 451,688.92 : x
  2. Step 2: Convert to fraction form
    814,148.44/1,123,593.78 = 451,688.92/x
  3. Step 3: Cross multiply
    814,148.44x = 1,123,593.78 × 451,688.92
  4. Step 4: Simplify right side
    814,148.44x = 507,514,861,006.92
  5. Step 5: Solve for x
    x = 507,514,861,006.92/814,148.44
  6. Step 6: Final answer
    x = 623,368.95

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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.