Home / 1,135,985.28-1,567,665-626,687.52

Finding the Fourth Proportional to 1,135,985.28, 1,567,665 and 626,687.52

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Solution

The fourth proportional to 1,135,985.28, 1,567,665 and 626,687.52 is: 864,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,985.28 : 1,567,665 = 626,687.52 : x
  2. Step 2: Convert to fraction form
    1,135,985.28/1,567,665 = 626,687.52/x
  3. Step 3: Cross multiply
    1,135,985.28x = 1,567,665 × 626,687.52
  4. Step 4: Simplify right side
    1,135,985.28x = 982,436,091,040.80
  5. Step 5: Solve for x
    x = 982,436,091,040.80/1,135,985.28
  6. Step 6: Final answer
    x = 864,831.71

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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.