Home / 384,623.77-576,943.10-118,384.03

Finding the Fourth Proportional to 384,623.77, 576,943.10 and 118,384.03

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Solution

The fourth proportional to 384,623.77, 576,943.10 and 118,384.03 is: 177,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,623.77 : 576,943.10 = 118,384.03 : x
  2. Step 2: Convert to fraction form
    384,623.77/576,943.10 = 118,384.03/x
  3. Step 3: Cross multiply
    384,623.77x = 576,943.10 × 118,384.03
  4. Step 4: Simplify right side
    384,623.77x = 68,300,850,497.80
  5. Step 5: Solve for x
    x = 68,300,850,497.80/384,623.77
  6. Step 6: Final answer
    x = 177,578.34

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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.