Home / 1,189,201.02-1,641,098.52-679,914.06

Finding the Fourth Proportional to 1,189,201.02, 1,641,098.52 and 679,914.06

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Solution

The fourth proportional to 1,189,201.02, 1,641,098.52 and 679,914.06 is: 938,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,201.02 : 1,641,098.52 = 679,914.06 : x
  2. Step 2: Convert to fraction form
    1,189,201.02/1,641,098.52 = 679,914.06/x
  3. Step 3: Cross multiply
    1,189,201.02x = 1,641,098.52 × 679,914.06
  4. Step 4: Simplify right side
    1,189,201.02x = 1,115,805,957,593.19
  5. Step 5: Solve for x
    x = 1,115,805,957,593.19/1,189,201.02
  6. Step 6: Final answer
    x = 938,282.04

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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.