Home / 1,147,017.92-1,720,415.64-348,306.38

Finding the Fourth Proportional to 1,147,017.92, 1,720,415.64 and 348,306.38

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Solution

The fourth proportional to 1,147,017.92, 1,720,415.64 and 348,306.38 is: 522,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,017.92 : 1,720,415.64 = 348,306.38 : x
  2. Step 2: Convert to fraction form
    1,147,017.92/1,720,415.64 = 348,306.38/x
  3. Step 3: Cross multiply
    1,147,017.92x = 1,720,415.64 × 348,306.38
  4. Step 4: Simplify right side
    1,147,017.92x = 599,231,743,663.78
  5. Step 5: Solve for x
    x = 599,231,743,663.78/1,147,017.92
  6. Step 6: Final answer
    x = 522,425.79

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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.