Home / 399,074.05-598,594.37-185,768.65

Finding the Fourth Proportional to 399,074.05, 598,594.37 and 185,768.65

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Solution

The fourth proportional to 399,074.05, 598,594.37 and 185,768.65 is: 278,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,074.05 : 598,594.37 = 185,768.65 : x
  2. Step 2: Convert to fraction form
    399,074.05/598,594.37 = 185,768.65/x
  3. Step 3: Cross multiply
    399,074.05x = 598,594.37 × 185,768.65
  4. Step 4: Simplify right side
    399,074.05x = 111,200,065,587.17
  5. Step 5: Solve for x
    x = 111,200,065,587.17/399,074.05
  6. Step 6: Final answer
    x = 278,645.19

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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.