Home / 1,775,156.65-2,660,114.22-813,239.33

Finding the Fourth Proportional to 1,775,156.65, 2,660,114.22 and 813,239.33

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Solution

The fourth proportional to 1,775,156.65, 2,660,114.22 and 813,239.33 is: 1,218,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,156.65 : 2,660,114.22 = 813,239.33 : x
  2. Step 2: Convert to fraction form
    1,775,156.65/2,660,114.22 = 813,239.33/x
  3. Step 3: Cross multiply
    1,775,156.65x = 2,660,114.22 × 813,239.33
  4. Step 4: Simplify right side
    1,775,156.65x = 2,163,309,489,646.05
  5. Step 5: Solve for x
    x = 2,163,309,489,646.05/1,775,156.65
  6. Step 6: Final answer
    x = 1,218,658.36

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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.