Home / 476,623.85-714,935.11-121,637.86

Finding the Fourth Proportional to 476,623.85, 714,935.11 and 121,637.86

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Solution

The fourth proportional to 476,623.85, 714,935.11 and 121,637.86 is: 182,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,623.85 : 714,935.11 = 121,637.86 : x
  2. Step 2: Convert to fraction form
    476,623.85/714,935.11 = 121,637.86/x
  3. Step 3: Cross multiply
    476,623.85x = 714,935.11 × 121,637.86
  4. Step 4: Simplify right side
    476,623.85x = 86,963,172,636.40
  5. Step 5: Solve for x
    x = 86,963,172,636.40/476,623.85
  6. Step 6: Final answer
    x = 182,456.61

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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.