Home / 403,810.29-557,250.51-222,538.95

Finding the Fourth Proportional to 403,810.29, 557,250.51 and 222,538.95

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Solution

The fourth proportional to 403,810.29, 557,250.51 and 222,538.95 is: 307,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,810.29 : 557,250.51 = 222,538.95 : x
  2. Step 2: Convert to fraction form
    403,810.29/557,250.51 = 222,538.95/x
  3. Step 3: Cross multiply
    403,810.29x = 557,250.51 × 222,538.95
  4. Step 4: Simplify right side
    403,810.29x = 124,009,943,382.37
  5. Step 5: Solve for x
    x = 124,009,943,382.37/403,810.29
  6. Step 6: Final answer
    x = 307,099.51

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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.