Home / 986,737.82-1,361,720.57-579,133.67

Finding the Fourth Proportional to 986,737.82, 1,361,720.57 and 579,133.67

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Solution

The fourth proportional to 986,737.82, 1,361,720.57 and 579,133.67 is: 799,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,737.82 : 1,361,720.57 = 579,133.67 : x
  2. Step 2: Convert to fraction form
    986,737.82/1,361,720.57 = 579,133.67/x
  3. Step 3: Cross multiply
    986,737.82x = 1,361,720.57 × 579,133.67
  4. Step 4: Simplify right side
    986,737.82x = 788,618,221,514.32
  5. Step 5: Solve for x
    x = 788,618,221,514.32/986,737.82
  6. Step 6: Final answer
    x = 799,217.59

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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.