Home / 1,203,086.40-1,660,195.94-686,819.92

Finding the Fourth Proportional to 1,203,086.40, 1,660,195.94 and 686,819.92

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Solution

The fourth proportional to 1,203,086.40, 1,660,195.94 and 686,819.92 is: 947,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,086.40 : 1,660,195.94 = 686,819.92 : x
  2. Step 2: Convert to fraction form
    1,203,086.40/1,660,195.94 = 686,819.92/x
  3. Step 3: Cross multiply
    1,203,086.40x = 1,660,195.94 × 686,819.92
  4. Step 4: Simplify right side
    1,203,086.40x = 1,140,255,642,695.12
  5. Step 5: Solve for x
    x = 1,140,255,642,695.12/1,203,086.40
  6. Step 6: Final answer
    x = 947,775.36

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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.