Home / 403,983.42-557,472.08-222,685.98

Finding the Fourth Proportional to 403,983.42, 557,472.08 and 222,685.98

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Solution

The fourth proportional to 403,983.42, 557,472.08 and 222,685.98 is: 307,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,983.42 : 557,472.08 = 222,685.98 : x
  2. Step 2: Convert to fraction form
    403,983.42/557,472.08 = 222,685.98/x
  3. Step 3: Cross multiply
    403,983.42x = 557,472.08 × 222,685.98
  4. Step 4: Simplify right side
    403,983.42x = 124,141,216,457.44
  5. Step 5: Solve for x
    x = 124,141,216,457.44/403,983.42
  6. Step 6: Final answer
    x = 307,292.85

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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.