Home / 1,187,203.28-1,781,012.28-522,338

Finding the Fourth Proportional to 1,187,203.28, 1,781,012.28 and 522,338

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Solution

The fourth proportional to 1,187,203.28, 1,781,012.28 and 522,338 is: 783,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,203.28 : 1,781,012.28 = 522,338 : x
  2. Step 2: Convert to fraction form
    1,187,203.28/1,781,012.28 = 522,338/x
  3. Step 3: Cross multiply
    1,187,203.28x = 1,781,012.28 × 522,338
  4. Step 4: Simplify right side
    1,187,203.28x = 930,290,392,310.64
  5. Step 5: Solve for x
    x = 930,290,392,310.64/1,187,203.28
  6. Step 6: Final answer
    x = 783,598.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.