Home / 1,139,253.53-1,707,385.39-838,325.03

Finding the Fourth Proportional to 1,139,253.53, 1,707,385.39 and 838,325.03

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Solution

The fourth proportional to 1,139,253.53, 1,707,385.39 and 838,325.03 is: 1,256,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,253.53 : 1,707,385.39 = 838,325.03 : x
  2. Step 2: Convert to fraction form
    1,139,253.53/1,707,385.39 = 838,325.03/x
  3. Step 3: Cross multiply
    1,139,253.53x = 1,707,385.39 × 838,325.03
  4. Step 4: Simplify right side
    1,139,253.53x = 1,431,343,897,660.57
  5. Step 5: Solve for x
    x = 1,431,343,897,660.57/1,139,253.53
  6. Step 6: Final answer
    x = 1,256,387.51

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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.