Home / 801,618.39-1,106,232.80-439,040.52

Finding the Fourth Proportional to 801,618.39, 1,106,232.80 and 439,040.52

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Solution

The fourth proportional to 801,618.39, 1,106,232.80 and 439,040.52 is: 605,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,618.39 : 1,106,232.80 = 439,040.52 : x
  2. Step 2: Convert to fraction form
    801,618.39/1,106,232.80 = 439,040.52/x
  3. Step 3: Cross multiply
    801,618.39x = 1,106,232.80 × 439,040.52
  4. Step 4: Simplify right side
    801,618.39x = 485,681,021,557.85
  5. Step 5: Solve for x
    x = 485,681,021,557.85/801,618.39
  6. Step 6: Final answer
    x = 605,875.60

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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.