Home / 801,693.89-1,106,338.03-439,123.82

Finding the Fourth Proportional to 801,693.89, 1,106,338.03 and 439,123.82

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Solution

The fourth proportional to 801,693.89, 1,106,338.03 and 439,123.82 is: 605,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,693.89 : 1,106,338.03 = 439,123.82 : x
  2. Step 2: Convert to fraction form
    801,693.89/1,106,338.03 = 439,123.82/x
  3. Step 3: Cross multiply
    801,693.89x = 1,106,338.03 × 439,123.82
  4. Step 4: Simplify right side
    801,693.89x = 485,819,375,315.38
  5. Step 5: Solve for x
    x = 485,819,375,315.38/801,693.89
  6. Step 6: Final answer
    x = 605,991.12

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Double scale
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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.