Home / 1,191,195.52-1,643,844.41-647,321.02

Finding the Fourth Proportional to 1,191,195.52, 1,643,844.41 and 647,321.02

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Solution

The fourth proportional to 1,191,195.52, 1,643,844.41 and 647,321.02 is: 893,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,195.52 : 1,643,844.41 = 647,321.02 : x
  2. Step 2: Convert to fraction form
    1,191,195.52/1,643,844.41 = 647,321.02/x
  3. Step 3: Cross multiply
    1,191,195.52x = 1,643,844.41 × 647,321.02
  4. Step 4: Simplify right side
    1,191,195.52x = 1,064,095,032,856.28
  5. Step 5: Solve for x
    x = 1,064,095,032,856.28/1,191,195.52
  6. Step 6: Final answer
    x = 893,300.06

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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.