Home / 767,530.01-1,151,290.42-198,909.71

Finding the Fourth Proportional to 767,530.01, 1,151,290.42 and 198,909.71

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Solution

The fourth proportional to 767,530.01, 1,151,290.42 and 198,909.71 is: 298,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,530.01 : 1,151,290.42 = 198,909.71 : x
  2. Step 2: Convert to fraction form
    767,530.01/1,151,290.42 = 198,909.71/x
  3. Step 3: Cross multiply
    767,530.01x = 1,151,290.42 × 198,909.71
  4. Step 4: Simplify right side
    767,530.01x = 229,002,837,314.25
  5. Step 5: Solve for x
    x = 229,002,837,314.25/767,530.01
  6. Step 6: Final answer
    x = 298,363.37

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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.