Home / 1,189,181.52-1,641,071.61-679,894.56

Finding the Fourth Proportional to 1,189,181.52, 1,641,071.61 and 679,894.56

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Solution

The fourth proportional to 1,189,181.52, 1,641,071.61 and 679,894.56 is: 938,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,181.52 : 1,641,071.61 = 679,894.56 : x
  2. Step 2: Convert to fraction form
    1,189,181.52/1,641,071.61 = 679,894.56/x
  3. Step 3: Cross multiply
    1,189,181.52x = 1,641,071.61 × 679,894.56
  4. Step 4: Simplify right side
    1,189,181.52x = 1,115,755,660,209.44
  5. Step 5: Solve for x
    x = 1,115,755,660,209.44/1,189,181.52
  6. Step 6: Final answer
    x = 938,255.13

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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.