Home / 814,320.90-1,123,709.90-451,743.84

Finding the Fourth Proportional to 814,320.90, 1,123,709.90 and 451,743.84

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Solution

The fourth proportional to 814,320.90, 1,123,709.90 and 451,743.84 is: 623,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,320.90 : 1,123,709.90 = 451,743.84 : x
  2. Step 2: Convert to fraction form
    814,320.90/1,123,709.90 = 451,743.84/x
  3. Step 3: Cross multiply
    814,320.90x = 1,123,709.90 × 451,743.84
  4. Step 4: Simplify right side
    814,320.90x = 507,629,023,013.30
  5. Step 5: Solve for x
    x = 507,629,023,013.30/814,320.90
  6. Step 6: Final answer
    x = 623,377.13

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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.