Home / 801,580.38-1,106,180.91-439,005.09

Finding the Fourth Proportional to 801,580.38, 1,106,180.91 and 439,005.09

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Solution

The fourth proportional to 801,580.38, 1,106,180.91 and 439,005.09 is: 605,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,580.38 : 1,106,180.91 = 439,005.09 : x
  2. Step 2: Convert to fraction form
    801,580.38/1,106,180.91 = 439,005.09/x
  3. Step 3: Cross multiply
    801,580.38x = 1,106,180.91 × 439,005.09
  4. Step 4: Simplify right side
    801,580.38x = 485,619,049,950.83
  5. Step 5: Solve for x
    x = 485,619,049,950.83/801,580.38
  6. Step 6: Final answer
    x = 605,827.02

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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.