Home / 1,093,410.80-1,640,116.20-615,113.90

Finding the Fourth Proportional to 1,093,410.80, 1,640,116.20 and 615,113.90

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Solution

The fourth proportional to 1,093,410.80, 1,640,116.20 and 615,113.90 is: 922,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,410.80 : 1,640,116.20 = 615,113.90 : x
  2. Step 2: Convert to fraction form
    1,093,410.80/1,640,116.20 = 615,113.90/x
  3. Step 3: Cross multiply
    1,093,410.80x = 1,640,116.20 × 615,113.90
  4. Step 4: Simplify right side
    1,093,410.80x = 1,008,858,272,235.18
  5. Step 5: Solve for x
    x = 1,008,858,272,235.18/1,093,410.80
  6. Step 6: Final answer
    x = 922,670.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.