Home / 1,439,722-1,986,816.52-836,148.88

Finding the Fourth Proportional to 1,439,722, 1,986,816.52 and 836,148.88

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Solution

The fourth proportional to 1,439,722, 1,986,816.52 and 836,148.88 is: 1,153,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,722 : 1,986,816.52 = 836,148.88 : x
  2. Step 2: Convert to fraction form
    1,439,722/1,986,816.52 = 836,148.88/x
  3. Step 3: Cross multiply
    1,439,722x = 1,986,816.52 × 836,148.88
  4. Step 4: Simplify right side
    1,439,722x = 1,661,274,407,963.50
  5. Step 5: Solve for x
    x = 1,661,274,407,963.50/1,439,722
  6. Step 6: Final answer
    x = 1,153,885.55

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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.