Home / 324,084.14-485,426.36-316,152.62

Finding the Fourth Proportional to 324,084.14, 485,426.36 and 316,152.62

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Solution

The fourth proportional to 324,084.14, 485,426.36 and 316,152.62 is: 473,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,084.14 : 485,426.36 = 316,152.62 : x
  2. Step 2: Convert to fraction form
    324,084.14/485,426.36 = 316,152.62/x
  3. Step 3: Cross multiply
    324,084.14x = 485,426.36 × 316,152.62
  4. Step 4: Simplify right side
    324,084.14x = 153,468,815,531.06
  5. Step 5: Solve for x
    x = 153,468,815,531.06/324,084.14
  6. Step 6: Final answer
    x = 473,546.21

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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.