Home / 403,818.35-557,273.06-222,536.77

Finding the Fourth Proportional to 403,818.35, 557,273.06 and 222,536.77

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Solution

The fourth proportional to 403,818.35, 557,273.06 and 222,536.77 is: 307,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,818.35 : 557,273.06 = 222,536.77 : x
  2. Step 2: Convert to fraction form
    403,818.35/557,273.06 = 222,536.77/x
  3. Step 3: Cross multiply
    403,818.35x = 557,273.06 × 222,536.77
  4. Step 4: Simplify right side
    403,818.35x = 124,013,746,780.42
  5. Step 5: Solve for x
    x = 124,013,746,780.42/403,818.35
  6. Step 6: Final answer
    x = 307,102.80

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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.