Home / 814,448.38-1,123,938.89-451,871.37

Finding the Fourth Proportional to 814,448.38, 1,123,938.89 and 451,871.37

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Solution

The fourth proportional to 814,448.38, 1,123,938.89 and 451,871.37 is: 623,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,448.38 : 1,123,938.89 = 451,871.37 : x
  2. Step 2: Convert to fraction form
    814,448.38/1,123,938.89 = 451,871.37/x
  3. Step 3: Cross multiply
    814,448.38x = 1,123,938.89 × 451,871.37
  4. Step 4: Simplify right side
    814,448.38x = 507,875,807,150.26
  5. Step 5: Solve for x
    x = 507,875,807,150.26/814,448.38
  6. Step 6: Final answer
    x = 623,582.56

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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.