Home / 801,454.30-1,105,973.72-438,871.92

Finding the Fourth Proportional to 801,454.30, 1,105,973.72 and 438,871.92

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Solution

The fourth proportional to 801,454.30, 1,105,973.72 and 438,871.92 is: 605,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,454.30 : 1,105,973.72 = 438,871.92 : x
  2. Step 2: Convert to fraction form
    801,454.30/1,105,973.72 = 438,871.92/x
  3. Step 3: Cross multiply
    801,454.30x = 1,105,973.72 × 438,871.92
  4. Step 4: Simplify right side
    801,454.30x = 485,380,805,533.25
  5. Step 5: Solve for x
    x = 485,380,805,533.25/801,454.30
  6. Step 6: Final answer
    x = 605,625.05

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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.