Home / 403,819.29-557,274.28-222,537.72

Finding the Fourth Proportional to 403,819.29, 557,274.28 and 222,537.72

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Solution

The fourth proportional to 403,819.29, 557,274.28 and 222,537.72 is: 307,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,819.29 : 557,274.28 = 222,537.72 : x
  2. Step 2: Convert to fraction form
    403,819.29/557,274.28 = 222,537.72/x
  3. Step 3: Cross multiply
    403,819.29x = 557,274.28 × 222,537.72
  4. Step 4: Simplify right side
    403,819.29x = 124,014,547,129.50
  5. Step 5: Solve for x
    x = 124,014,547,129.50/403,819.29
  6. Step 6: Final answer
    x = 307,104.07

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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.