Home / 1,189,425.06-1,641,407.49-645,560.82

Finding the Fourth Proportional to 1,189,425.06, 1,641,407.49 and 645,560.82

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Solution

The fourth proportional to 1,189,425.06, 1,641,407.49 and 645,560.82 is: 890,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,425.06 : 1,641,407.49 = 645,560.82 : x
  2. Step 2: Convert to fraction form
    1,189,425.06/1,641,407.49 = 645,560.82/x
  3. Step 3: Cross multiply
    1,189,425.06x = 1,641,407.49 × 645,560.82
  4. Step 4: Simplify right side
    1,189,425.06x = 1,059,628,365,198.54
  5. Step 5: Solve for x
    x = 1,059,628,365,198.54/1,189,425.06
  6. Step 6: Final answer
    x = 890,874.42

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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.