Home / 1,192,374-1,645,480.44-648,509.76

Finding the Fourth Proportional to 1,192,374, 1,645,480.44 and 648,509.76

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Solution

The fourth proportional to 1,192,374, 1,645,480.44 and 648,509.76 is: 894,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,374 : 1,645,480.44 = 648,509.76 : x
  2. Step 2: Convert to fraction form
    1,192,374/1,645,480.44 = 648,509.76/x
  3. Step 3: Cross multiply
    1,192,374x = 1,645,480.44 × 648,509.76
  4. Step 4: Simplify right side
    1,192,374x = 1,067,110,125,229.09
  5. Step 5: Solve for x
    x = 1,067,110,125,229.09/1,192,374
  6. Step 6: Final answer
    x = 894,945.82

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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.