Home / 823,344.14-1,235,013.32-540,817.58

Finding the Fourth Proportional to 823,344.14, 1,235,013.32 and 540,817.58

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Solution

The fourth proportional to 823,344.14, 1,235,013.32 and 540,817.58 is: 811,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,344.14 : 1,235,013.32 = 540,817.58 : x
  2. Step 2: Convert to fraction form
    823,344.14/1,235,013.32 = 540,817.58/x
  3. Step 3: Cross multiply
    823,344.14x = 1,235,013.32 × 540,817.58
  4. Step 4: Simplify right side
    823,344.14x = 667,916,914,990.17
  5. Step 5: Solve for x
    x = 667,916,914,990.17/823,344.14
  6. Step 6: Final answer
    x = 811,224.47

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1.5x scale

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.