Home / 468,968.14-647,399.20-314,185.95

Finding the Fourth Proportional to 468,968.14, 647,399.20 and 314,185.95

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Solution

The fourth proportional to 468,968.14, 647,399.20 and 314,185.95 is: 433,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,968.14 : 647,399.20 = 314,185.95 : x
  2. Step 2: Convert to fraction form
    468,968.14/647,399.20 = 314,185.95/x
  3. Step 3: Cross multiply
    468,968.14x = 647,399.20 × 314,185.95
  4. Step 4: Simplify right side
    468,968.14x = 203,403,732,681.24
  5. Step 5: Solve for x
    x = 203,403,732,681.24/468,968.14
  6. Step 6: Final answer
    x = 433,726.12

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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.