Home / 977,794.22-1,468,936.92-690,266.90

Finding the Fourth Proportional to 977,794.22, 1,468,936.92 and 690,266.90

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Solution

The fourth proportional to 977,794.22, 1,468,936.92 and 690,266.90 is: 1,036,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,794.22 : 1,468,936.92 = 690,266.90 : x
  2. Step 2: Convert to fraction form
    977,794.22/1,468,936.92 = 690,266.90/x
  3. Step 3: Cross multiply
    977,794.22x = 1,468,936.92 × 690,266.90
  4. Step 4: Simplify right side
    977,794.22x = 1,013,958,534,063.95
  5. Step 5: Solve for x
    x = 1,013,958,534,063.95/977,794.22
  6. Step 6: Final answer
    x = 1,036,985.61

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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.