Home / 403,802.76-557,272.20-222,514.38

Finding the Fourth Proportional to 403,802.76, 557,272.20 and 222,514.38

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Solution

The fourth proportional to 403,802.76, 557,272.20 and 222,514.38 is: 307,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,802.76 : 557,272.20 = 222,514.38 : x
  2. Step 2: Convert to fraction form
    403,802.76/557,272.20 = 222,514.38/x
  3. Step 3: Cross multiply
    403,802.76x = 557,272.20 × 222,514.38
  4. Step 4: Simplify right side
    403,802.76x = 124,001,078,074.24
  5. Step 5: Solve for x
    x = 124,001,078,074.24/403,802.76
  6. Step 6: Final answer
    x = 307,083.29

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1.5x scale

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.