Home / 1,107,005.87-1,527,620.85-616,949.33

Finding the Fourth Proportional to 1,107,005.87, 1,527,620.85 and 616,949.33

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Solution

The fourth proportional to 1,107,005.87, 1,527,620.85 and 616,949.33 is: 851,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,005.87 : 1,527,620.85 = 616,949.33 : x
  2. Step 2: Convert to fraction form
    1,107,005.87/1,527,620.85 = 616,949.33/x
  3. Step 3: Cross multiply
    1,107,005.87x = 1,527,620.85 × 616,949.33
  4. Step 4: Simplify right side
    1,107,005.87x = 942,464,652,263.43
  5. Step 5: Solve for x
    x = 942,464,652,263.43/1,107,005.87
  6. Step 6: Final answer
    x = 851,363.73

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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.