Home / 987,964.44-1,363,392.27-535,255.44

Finding the Fourth Proportional to 987,964.44, 1,363,392.27 and 535,255.44

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Solution

The fourth proportional to 987,964.44, 1,363,392.27 and 535,255.44 is: 738,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,964.44 : 1,363,392.27 = 535,255.44 : x
  2. Step 2: Convert to fraction form
    987,964.44/1,363,392.27 = 535,255.44/x
  3. Step 3: Cross multiply
    987,964.44x = 1,363,392.27 × 535,255.44
  4. Step 4: Simplify right side
    987,964.44x = 729,763,129,371.45
  5. Step 5: Solve for x
    x = 729,763,129,371.45/987,964.44
  6. Step 6: Final answer
    x = 738,653.23

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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.