Home / 1,079,664.20-1,620,492.75-547,558.90

Finding the Fourth Proportional to 1,079,664.20, 1,620,492.75 and 547,558.90

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Solution

The fourth proportional to 1,079,664.20, 1,620,492.75 and 547,558.90 is: 821,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,664.20 : 1,620,492.75 = 547,558.90 : x
  2. Step 2: Convert to fraction form
    1,079,664.20/1,620,492.75 = 547,558.90/x
  3. Step 3: Cross multiply
    1,079,664.20x = 1,620,492.75 × 547,558.90
  4. Step 4: Simplify right side
    1,079,664.20x = 887,315,223,596.74
  5. Step 5: Solve for x
    x = 887,315,223,596.74/1,079,664.20
  6. Step 6: Final answer
    x = 821,843.70

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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.