Home / 1,287,125.44-1,776,233.41-714,169.71

Finding the Fourth Proportional to 1,287,125.44, 1,776,233.41 and 714,169.71

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Solution

The fourth proportional to 1,287,125.44, 1,776,233.41 and 714,169.71 is: 985,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,125.44 : 1,776,233.41 = 714,169.71 : x
  2. Step 2: Convert to fraction form
    1,287,125.44/1,776,233.41 = 714,169.71/x
  3. Step 3: Cross multiply
    1,287,125.44x = 1,776,233.41 × 714,169.71
  4. Step 4: Simplify right side
    1,287,125.44x = 1,268,532,097,526.59
  5. Step 5: Solve for x
    x = 1,268,532,097,526.59/1,287,125.44
  6. Step 6: Final answer
    x = 985,554.37

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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.