Home / 452,981.43-678,973.93-186,596.66

Finding the Fourth Proportional to 452,981.43, 678,973.93 and 186,596.66

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Solution

The fourth proportional to 452,981.43, 678,973.93 and 186,596.66 is: 279,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,981.43 : 678,973.93 = 186,596.66 : x
  2. Step 2: Convert to fraction form
    452,981.43/678,973.93 = 186,596.66/x
  3. Step 3: Cross multiply
    452,981.43x = 678,973.93 × 186,596.66
  4. Step 4: Simplify right side
    452,981.43x = 126,694,268,796.02
  5. Step 5: Solve for x
    x = 126,694,268,796.02/452,981.43
  6. Step 6: Final answer
    x = 279,689.76

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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.