Home / 1,028,754.28-1,545,503.10-986,239.72

Finding the Fourth Proportional to 1,028,754.28, 1,545,503.10 and 986,239.72

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Solution

The fourth proportional to 1,028,754.28, 1,545,503.10 and 986,239.72 is: 1,481,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,754.28 : 1,545,503.10 = 986,239.72 : x
  2. Step 2: Convert to fraction form
    1,028,754.28/1,545,503.10 = 986,239.72/x
  3. Step 3: Cross multiply
    1,028,754.28x = 1,545,503.10 × 986,239.72
  4. Step 4: Simplify right side
    1,028,754.28x = 1,524,236,544,603.13
  5. Step 5: Solve for x
    x = 1,524,236,544,603.13/1,028,754.28
  6. Step 6: Final answer
    x = 1,481,633.25

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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.