Home / 465,934.80-698,786.74-199,665.12

Finding the Fourth Proportional to 465,934.80, 698,786.74 and 199,665.12

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Solution

The fourth proportional to 465,934.80, 698,786.74 and 199,665.12 is: 299,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,934.80 : 698,786.74 = 199,665.12 : x
  2. Step 2: Convert to fraction form
    465,934.80/698,786.74 = 199,665.12/x
  3. Step 3: Cross multiply
    465,934.80x = 698,786.74 × 199,665.12
  4. Step 4: Simplify right side
    465,934.80x = 139,523,338,296.51
  5. Step 5: Solve for x
    x = 139,523,338,296.51/465,934.80
  6. Step 6: Final answer
    x = 299,448.20

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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.