Home / 1,191,419.32-1,644,175.32-647,554.95

Finding the Fourth Proportional to 1,191,419.32, 1,644,175.32 and 647,554.95

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Solution

The fourth proportional to 1,191,419.32, 1,644,175.32 and 647,554.95 is: 893,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,419.32 : 1,644,175.32 = 647,554.95 : x
  2. Step 2: Convert to fraction form
    1,191,419.32/1,644,175.32 = 647,554.95/x
  3. Step 3: Cross multiply
    1,191,419.32x = 1,644,175.32 × 647,554.95
  4. Step 4: Simplify right side
    1,191,419.32x = 1,064,693,858,912.96
  5. Step 5: Solve for x
    x = 1,064,693,858,912.96/1,191,419.32
  6. Step 6: Final answer
    x = 893,634.88

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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.