Home / 476,623.12-714,934.07-121,637.15

Finding the Fourth Proportional to 476,623.12, 714,934.07 and 121,637.15

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Solution

The fourth proportional to 476,623.12, 714,934.07 and 121,637.15 is: 182,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,623.12 : 714,934.07 = 121,637.15 : x
  2. Step 2: Convert to fraction form
    476,623.12/714,934.07 = 121,637.15/x
  3. Step 3: Cross multiply
    476,623.12x = 714,934.07 × 121,637.15
  4. Step 4: Simplify right side
    476,623.12x = 86,962,542,712.70
  5. Step 5: Solve for x
    x = 86,962,542,712.70/476,623.12
  6. Step 6: Final answer
    x = 182,455.57

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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.