Home / 476,625.12-714,937.07-121,639.16

Finding the Fourth Proportional to 476,625.12, 714,937.07 and 121,639.16

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Solution

The fourth proportional to 476,625.12, 714,937.07 and 121,639.16 is: 182,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,625.12 : 714,937.07 = 121,639.16 : x
  2. Step 2: Convert to fraction form
    476,625.12/714,937.07 = 121,639.16/x
  3. Step 3: Cross multiply
    476,625.12x = 714,937.07 × 121,639.16
  4. Step 4: Simplify right side
    476,625.12x = 86,964,340,464.78
  5. Step 5: Solve for x
    x = 86,964,340,464.78/476,625.12
  6. Step 6: Final answer
    x = 182,458.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.