Home / 476,623.46-714,934.86-121,637.60

Finding the Fourth Proportional to 476,623.46, 714,934.86 and 121,637.60

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Solution

The fourth proportional to 476,623.46, 714,934.86 and 121,637.60 is: 182,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,623.46 : 714,934.86 = 121,637.60 : x
  2. Step 2: Convert to fraction form
    476,623.46/714,934.86 = 121,637.60/x
  3. Step 3: Cross multiply
    476,623.46x = 714,934.86 × 121,637.60
  4. Step 4: Simplify right side
    476,623.46x = 86,962,960,526.74
  5. Step 5: Solve for x
    x = 86,962,960,526.74/476,623.46
  6. Step 6: Final answer
    x = 182,456.32

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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.