Home / 442,584.02-664,011.34-186,549.17

Finding the Fourth Proportional to 442,584.02, 664,011.34 and 186,549.17

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Solution

The fourth proportional to 442,584.02, 664,011.34 and 186,549.17 is: 279,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,584.02 : 664,011.34 = 186,549.17 : x
  2. Step 2: Convert to fraction form
    442,584.02/664,011.34 = 186,549.17/x
  3. Step 3: Cross multiply
    442,584.02x = 664,011.34 × 186,549.17
  4. Step 4: Simplify right side
    442,584.02x = 123,870,760,561.16
  5. Step 5: Solve for x
    x = 123,870,760,561.16/442,584.02
  6. Step 6: Final answer
    x = 279,880.78

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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.