Home / 401,352.36-553,891.16-222,504.36

Finding the Fourth Proportional to 401,352.36, 553,891.16 and 222,504.36

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Solution

The fourth proportional to 401,352.36, 553,891.16 and 222,504.36 is: 307,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,352.36 : 553,891.16 = 222,504.36 : x
  2. Step 2: Convert to fraction form
    401,352.36/553,891.16 = 222,504.36/x
  3. Step 3: Cross multiply
    401,352.36x = 553,891.16 × 222,504.36
  4. Step 4: Simplify right side
    401,352.36x = 123,243,198,065.46
  5. Step 5: Solve for x
    x = 123,243,198,065.46/401,352.36
  6. Step 6: Final answer
    x = 307,069.82

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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.