Home / 348,716.69-522,575.52-198,647.11

Finding the Fourth Proportional to 348,716.69, 522,575.52 and 198,647.11

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Solution

The fourth proportional to 348,716.69, 522,575.52 and 198,647.11 is: 297,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,716.69 : 522,575.52 = 198,647.11 : x
  2. Step 2: Convert to fraction form
    348,716.69/522,575.52 = 198,647.11/x
  3. Step 3: Cross multiply
    348,716.69x = 522,575.52 × 198,647.11
  4. Step 4: Simplify right side
    348,716.69x = 103,808,116,919.38
  5. Step 5: Solve for x
    x = 103,808,116,919.38/348,716.69
  6. Step 6: Final answer
    x = 297,686.11

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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.