Home / 814,390.04-1,123,993.16-451,930.33

Finding the Fourth Proportional to 814,390.04, 1,123,993.16 and 451,930.33

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Solution

The fourth proportional to 814,390.04, 1,123,993.16 and 451,930.33 is: 623,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,390.04 : 1,123,993.16 = 451,930.33 : x
  2. Step 2: Convert to fraction form
    814,390.04/1,123,993.16 = 451,930.33/x
  3. Step 3: Cross multiply
    814,390.04x = 1,123,993.16 × 451,930.33
  4. Step 4: Simplify right side
    814,390.04x = 507,966,598,036.39
  5. Step 5: Solve for x
    x = 507,966,598,036.39/814,390.04
  6. Step 6: Final answer
    x = 623,738.71

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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.