Home / 1,195,782.75-1,650,245.81-686,517.93

Finding the Fourth Proportional to 1,195,782.75, 1,650,245.81 and 686,517.93

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Solution

The fourth proportional to 1,195,782.75, 1,650,245.81 and 686,517.93 is: 947,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,782.75 : 1,650,245.81 = 686,517.93 : x
  2. Step 2: Convert to fraction form
    1,195,782.75/1,650,245.81 = 686,517.93/x
  3. Step 3: Cross multiply
    1,195,782.75x = 1,650,245.81 × 686,517.93
  4. Step 4: Simplify right side
    1,195,782.75x = 1,132,923,334,039.78
  5. Step 5: Solve for x
    x = 1,132,923,334,039.78/1,195,782.75
  6. Step 6: Final answer
    x = 947,432.41

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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.