Home / 1,162,696.94-1,604,540.44-639,428.23

Finding the Fourth Proportional to 1,162,696.94, 1,604,540.44 and 639,428.23

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Solution

The fourth proportional to 1,162,696.94, 1,604,540.44 and 639,428.23 is: 882,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,696.94 : 1,604,540.44 = 639,428.23 : x
  2. Step 2: Convert to fraction form
    1,162,696.94/1,604,540.44 = 639,428.23/x
  3. Step 3: Cross multiply
    1,162,696.94x = 1,604,540.44 × 639,428.23
  4. Step 4: Simplify right side
    1,162,696.94x = 1,025,988,447,902.70
  5. Step 5: Solve for x
    x = 1,025,988,447,902.70/1,162,696.94
  6. Step 6: Final answer
    x = 882,421.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.