Home / 1,439,732-1,986,830.32-836,158.88

Finding the Fourth Proportional to 1,439,732, 1,986,830.32 and 836,158.88

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Solution

The fourth proportional to 1,439,732, 1,986,830.32 and 836,158.88 is: 1,153,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,732 : 1,986,830.32 = 836,158.88 : x
  2. Step 2: Convert to fraction form
    1,439,732/1,986,830.32 = 836,158.88/x
  3. Step 3: Cross multiply
    1,439,732x = 1,986,830.32 × 836,158.88
  4. Step 4: Simplify right side
    1,439,732x = 1,661,305,815,121.24
  5. Step 5: Solve for x
    x = 1,661,305,815,121.24/1,439,732
  6. Step 6: Final answer
    x = 1,153,899.35

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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.