Home / 465,693.30-697,955.61-199,140.38

Finding the Fourth Proportional to 465,693.30, 697,955.61 and 199,140.38

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Solution

The fourth proportional to 465,693.30, 697,955.61 and 199,140.38 is: 298,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,693.30 : 697,955.61 = 199,140.38 : x
  2. Step 2: Convert to fraction form
    465,693.30/697,955.61 = 199,140.38/x
  3. Step 3: Cross multiply
    465,693.30x = 697,955.61 × 199,140.38
  4. Step 4: Simplify right side
    465,693.30x = 138,991,145,398.53
  5. Step 5: Solve for x
    x = 138,991,145,398.53/465,693.30
  6. Step 6: Final answer
    x = 298,460.69

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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.