Home / 893,690.80-1,340,536.20-805,217.20

Finding the Fourth Proportional to 893,690.80, 1,340,536.20 and 805,217.20

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Solution

The fourth proportional to 893,690.80, 1,340,536.20 and 805,217.20 is: 1,207,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,690.80 : 1,340,536.20 = 805,217.20 : x
  2. Step 2: Convert to fraction form
    893,690.80/1,340,536.20 = 805,217.20/x
  3. Step 3: Cross multiply
    893,690.80x = 1,340,536.20 × 805,217.20
  4. Step 4: Simplify right side
    893,690.80x = 1,079,422,805,462.64
  5. Step 5: Solve for x
    x = 1,079,422,805,462.64/893,690.80
  6. Step 6: Final answer
    x = 1,207,825.80

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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.