Home / 1,015,122.52-1,400,234.88-653,017.96

Finding the Fourth Proportional to 1,015,122.52, 1,400,234.88 and 653,017.96

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Solution

The fourth proportional to 1,015,122.52, 1,400,234.88 and 653,017.96 is: 900,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,122.52 : 1,400,234.88 = 653,017.96 : x
  2. Step 2: Convert to fraction form
    1,015,122.52/1,400,234.88 = 653,017.96/x
  3. Step 3: Cross multiply
    1,015,122.52x = 1,400,234.88 × 653,017.96
  4. Step 4: Simplify right side
    1,015,122.52x = 914,378,524,858.45
  5. Step 5: Solve for x
    x = 914,378,524,858.45/1,015,122.52
  6. Step 6: Final answer
    x = 900,756.81

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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.