Home / 851,195.94-1,174,637.55-469,214.46

Finding the Fourth Proportional to 851,195.94, 1,174,637.55 and 469,214.46

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Solution

The fourth proportional to 851,195.94, 1,174,637.55 and 469,214.46 is: 647,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,195.94 : 1,174,637.55 = 469,214.46 : x
  2. Step 2: Convert to fraction form
    851,195.94/1,174,637.55 = 469,214.46/x
  3. Step 3: Cross multiply
    851,195.94x = 1,174,637.55 × 469,214.46
  4. Step 4: Simplify right side
    851,195.94x = 551,156,923,718.97
  5. Step 5: Solve for x
    x = 551,156,923,718.97/851,195.94
  6. Step 6: Final answer
    x = 647,508.87

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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.