Home / 863,109.23-1,191,601.41-767,351.30

Finding the Fourth Proportional to 863,109.23, 1,191,601.41 and 767,351.30

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Solution

The fourth proportional to 863,109.23, 1,191,601.41 and 767,351.30 is: 1,059,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,109.23 : 1,191,601.41 = 767,351.30 : x
  2. Step 2: Convert to fraction form
    863,109.23/1,191,601.41 = 767,351.30/x
  3. Step 3: Cross multiply
    863,109.23x = 1,191,601.41 × 767,351.30
  4. Step 4: Simplify right side
    863,109.23x = 914,376,891,045.33
  5. Step 5: Solve for x
    x = 914,376,891,045.33/863,109.23
  6. Step 6: Final answer
    x = 1,059,398.81

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1.5x scale

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.