Home / 403,631.51-557,055.23-222,362.01

Finding the Fourth Proportional to 403,631.51, 557,055.23 and 222,362.01

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Solution

The fourth proportional to 403,631.51, 557,055.23 and 222,362.01 is: 306,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,631.51 : 557,055.23 = 222,362.01 : x
  2. Step 2: Convert to fraction form
    403,631.51/557,055.23 = 222,362.01/x
  3. Step 3: Cross multiply
    403,631.51x = 557,055.23 × 222,362.01
  4. Step 4: Simplify right side
    403,631.51x = 123,867,919,512.00
  5. Step 5: Solve for x
    x = 123,867,919,512.00/403,631.51
  6. Step 6: Final answer
    x = 306,883.67

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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.