Home / 403,885.09-557,338.68-222,596.46

Finding the Fourth Proportional to 403,885.09, 557,338.68 and 222,596.46

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Solution

The fourth proportional to 403,885.09, 557,338.68 and 222,596.46 is: 307,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,885.09 : 557,338.68 = 222,596.46 : x
  2. Step 2: Convert to fraction form
    403,885.09/557,338.68 = 222,596.46/x
  3. Step 3: Cross multiply
    403,885.09x = 557,338.68 × 222,596.46
  4. Step 4: Simplify right side
    403,885.09x = 124,061,617,189.07
  5. Step 5: Solve for x
    x = 124,061,617,189.07/403,885.09
  6. Step 6: Final answer
    x = 307,170.58

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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.