Home / 484,531.31-668,641.41-266,738.21

Finding the Fourth Proportional to 484,531.31, 668,641.41 and 266,738.21

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Solution

The fourth proportional to 484,531.31, 668,641.41 and 266,738.21 is: 368,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,531.31 : 668,641.41 = 266,738.21 : x
  2. Step 2: Convert to fraction form
    484,531.31/668,641.41 = 266,738.21/x
  3. Step 3: Cross multiply
    484,531.31x = 668,641.41 × 266,738.21
  4. Step 4: Simplify right side
    484,531.31x = 178,352,213,599.97
  5. Step 5: Solve for x
    x = 178,352,213,599.97/484,531.31
  6. Step 6: Final answer
    x = 368,092.24

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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.