Home / 403,744.14-557,167.50-219,981.84

Finding the Fourth Proportional to 403,744.14, 557,167.50 and 219,981.84

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Solution

The fourth proportional to 403,744.14, 557,167.50 and 219,981.84 is: 303,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,744.14 : 557,167.50 = 219,981.84 : x
  2. Step 2: Convert to fraction form
    403,744.14/557,167.50 = 219,981.84/x
  3. Step 3: Cross multiply
    403,744.14x = 557,167.50 × 219,981.84
  4. Step 4: Simplify right side
    403,744.14x = 122,566,731,838.20
  5. Step 5: Solve for x
    x = 122,566,731,838.20/403,744.14
  6. Step 6: Final answer
    x = 303,575.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.