Home / 1,532,428.88-2,114,717.64-853,428.56

Finding the Fourth Proportional to 1,532,428.88, 2,114,717.64 and 853,428.56

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Solution

The fourth proportional to 1,532,428.88, 2,114,717.64 and 853,428.56 is: 1,177,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,428.88 : 2,114,717.64 = 853,428.56 : x
  2. Step 2: Convert to fraction form
    1,532,428.88/2,114,717.64 = 853,428.56/x
  3. Step 3: Cross multiply
    1,532,428.88x = 2,114,717.64 × 853,428.56
  4. Step 4: Simplify right side
    1,532,428.88x = 1,804,760,430,311.80
  5. Step 5: Solve for x
    x = 1,804,760,430,311.80/1,532,428.88
  6. Step 6: Final answer
    x = 1,177,712.36

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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.