Home / 1,145,538.60-1,580,799.66-636,273.72

Finding the Fourth Proportional to 1,145,538.60, 1,580,799.66 and 636,273.72

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Solution

The fourth proportional to 1,145,538.60, 1,580,799.66 and 636,273.72 is: 878,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,538.60 : 1,580,799.66 = 636,273.72 : x
  2. Step 2: Convert to fraction form
    1,145,538.60/1,580,799.66 = 636,273.72/x
  3. Step 3: Cross multiply
    1,145,538.60x = 1,580,799.66 × 636,273.72
  4. Step 4: Simplify right side
    1,145,538.60x = 1,005,821,280,242.94
  5. Step 5: Solve for x
    x = 1,005,821,280,242.94/1,145,538.60
  6. Step 6: Final answer
    x = 878,033.51

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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.