Home / 1,126,114.53-1,554,192.66-690,454.81

Finding the Fourth Proportional to 1,126,114.53, 1,554,192.66 and 690,454.81

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Solution

The fourth proportional to 1,126,114.53, 1,554,192.66 and 690,454.81 is: 952,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,114.53 : 1,554,192.66 = 690,454.81 : x
  2. Step 2: Convert to fraction form
    1,126,114.53/1,554,192.66 = 690,454.81/x
  3. Step 3: Cross multiply
    1,126,114.53x = 1,554,192.66 × 690,454.81
  4. Step 4: Simplify right side
    1,126,114.53x = 1,073,099,797,763.69
  5. Step 5: Solve for x
    x = 1,073,099,797,763.69/1,126,114.53
  6. Step 6: Final answer
    x = 952,922.43

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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.