Home / 1,287,837.27-1,777,126.50-714,832.34

Finding the Fourth Proportional to 1,287,837.27, 1,777,126.50 and 714,832.34

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Solution

The fourth proportional to 1,287,837.27, 1,777,126.50 and 714,832.34 is: 986,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,837.27 : 1,777,126.50 = 714,832.34 : x
  2. Step 2: Convert to fraction form
    1,287,837.27/1,777,126.50 = 714,832.34/x
  3. Step 3: Cross multiply
    1,287,837.27x = 1,777,126.50 × 714,832.34
  4. Step 4: Simplify right side
    1,287,837.27x = 1,270,347,485,585.38
  5. Step 5: Solve for x
    x = 1,270,347,485,585.38/1,287,837.27
  6. Step 6: Final answer
    x = 986,419.26

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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.