Home / 1,191,028.56-1,643,616.09-647,166.23

Finding the Fourth Proportional to 1,191,028.56, 1,643,616.09 and 647,166.23

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Solution

The fourth proportional to 1,191,028.56, 1,643,616.09 and 647,166.23 is: 893,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,028.56 : 1,643,616.09 = 647,166.23 : x
  2. Step 2: Convert to fraction form
    1,191,028.56/1,643,616.09 = 647,166.23/x
  3. Step 3: Cross multiply
    1,191,028.56x = 1,643,616.09 × 647,166.23
  4. Step 4: Simplify right side
    1,191,028.56x = 1,063,692,835,723.46
  5. Step 5: Solve for x
    x = 1,063,692,835,723.46/1,191,028.56
  6. Step 6: Final answer
    x = 893,087.60

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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.