Home / 1,295,245.80-1,942,868.70-1,137,781.80

Finding the Fourth Proportional to 1,295,245.80, 1,942,868.70 and 1,137,781.80

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Solution

The fourth proportional to 1,295,245.80, 1,942,868.70 and 1,137,781.80 is: 1,706,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,245.80 : 1,942,868.70 = 1,137,781.80 : x
  2. Step 2: Convert to fraction form
    1,295,245.80/1,942,868.70 = 1,137,781.80/x
  3. Step 3: Cross multiply
    1,295,245.80x = 1,942,868.70 × 1,137,781.80
  4. Step 4: Simplify right side
    1,295,245.80x = 2,210,560,646,649.66
  5. Step 5: Solve for x
    x = 2,210,560,646,649.66/1,295,245.80
  6. Step 6: Final answer
    x = 1,706,672.70

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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.