Home / 1,330,599.38-1,836,227.82-718,752.11

Finding the Fourth Proportional to 1,330,599.38, 1,836,227.82 and 718,752.11

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Solution

The fourth proportional to 1,330,599.38, 1,836,227.82 and 718,752.11 is: 991,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,599.38 : 1,836,227.82 = 718,752.11 : x
  2. Step 2: Convert to fraction form
    1,330,599.38/1,836,227.82 = 718,752.11/x
  3. Step 3: Cross multiply
    1,330,599.38x = 1,836,227.82 × 718,752.11
  4. Step 4: Simplify right side
    1,330,599.38x = 1,319,792,630,794.52
  5. Step 5: Solve for x
    x = 1,319,792,630,794.52/1,330,599.38
  6. Step 6: Final answer
    x = 991,878.28

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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.