Home / 1,532,636.82-2,115,104.40-853,573.32

Finding the Fourth Proportional to 1,532,636.82, 2,115,104.40 and 853,573.32

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Solution

The fourth proportional to 1,532,636.82, 2,115,104.40 and 853,573.32 is: 1,177,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,636.82 : 2,115,104.40 = 853,573.32 : x
  2. Step 2: Convert to fraction form
    1,532,636.82/2,115,104.40 = 853,573.32/x
  3. Step 3: Cross multiply
    1,532,636.82x = 2,115,104.40 × 853,573.32
  4. Step 4: Simplify right side
    1,532,636.82x = 1,805,396,684,854.61
  5. Step 5: Solve for x
    x = 1,805,396,684,854.61/1,532,636.82
  6. Step 6: Final answer
    x = 1,177,967.71

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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.