Home / 644,227.56-888,969.06-376,111.08

Finding the Fourth Proportional to 644,227.56, 888,969.06 and 376,111.08

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Solution

The fourth proportional to 644,227.56, 888,969.06 and 376,111.08 is: 518,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,227.56 : 888,969.06 = 376,111.08 : x
  2. Step 2: Convert to fraction form
    644,227.56/888,969.06 = 376,111.08/x
  3. Step 3: Cross multiply
    644,227.56x = 888,969.06 × 376,111.08
  4. Step 4: Simplify right side
    644,227.56x = 334,351,113,243.19
  5. Step 5: Solve for x
    x = 334,351,113,243.19/644,227.56
  6. Step 6: Final answer
    x = 518,995.36

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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.