Home / 1,102,219.27-1,520,957.61-618,673.57

Finding the Fourth Proportional to 1,102,219.27, 1,520,957.61 and 618,673.57

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Solution

The fourth proportional to 1,102,219.27, 1,520,957.61 and 618,673.57 is: 853,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,219.27 : 1,520,957.61 = 618,673.57 : x
  2. Step 2: Convert to fraction form
    1,102,219.27/1,520,957.61 = 618,673.57/x
  3. Step 3: Cross multiply
    1,102,219.27x = 1,520,957.61 × 618,673.57
  4. Step 4: Simplify right side
    1,102,219.27x = 940,976,274,397.37
  5. Step 5: Solve for x
    x = 940,976,274,397.37/1,102,219.27
  6. Step 6: Final answer
    x = 853,710.60

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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.