Home / 814,008.81-1,123,332.16-451,488.18

Finding the Fourth Proportional to 814,008.81, 1,123,332.16 and 451,488.18

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Solution

The fourth proportional to 814,008.81, 1,123,332.16 and 451,488.18 is: 623,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,008.81 : 1,123,332.16 = 451,488.18 : x
  2. Step 2: Convert to fraction form
    814,008.81/1,123,332.16 = 451,488.18/x
  3. Step 3: Cross multiply
    814,008.81x = 1,123,332.16 × 451,488.18
  4. Step 4: Simplify right side
    814,008.81x = 507,171,192,453.87
  5. Step 5: Solve for x
    x = 507,171,192,453.87/814,008.81
  6. Step 6: Final answer
    x = 623,053.69

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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.