Home / 1,191,052.13-1,643,662.31-647,187.92

Finding the Fourth Proportional to 1,191,052.13, 1,643,662.31 and 647,187.92

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Solution

The fourth proportional to 1,191,052.13, 1,643,662.31 and 647,187.92 is: 893,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,052.13 : 1,643,662.31 = 647,187.92 : x
  2. Step 2: Convert to fraction form
    1,191,052.13/1,643,662.31 = 647,187.92/x
  3. Step 3: Cross multiply
    1,191,052.13x = 1,643,662.31 × 647,187.92
  4. Step 4: Simplify right side
    1,191,052.13x = 1,063,758,391,591.30
  5. Step 5: Solve for x
    x = 1,063,758,391,591.30/1,191,052.13
  6. Step 6: Final answer
    x = 893,124.97

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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.