Home / 778,857.31-1,074,656.27-585,471.84

Finding the Fourth Proportional to 778,857.31, 1,074,656.27 and 585,471.84

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Solution

The fourth proportional to 778,857.31, 1,074,656.27 and 585,471.84 is: 807,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,857.31 : 1,074,656.27 = 585,471.84 : x
  2. Step 2: Convert to fraction form
    778,857.31/1,074,656.27 = 585,471.84/x
  3. Step 3: Cross multiply
    778,857.31x = 1,074,656.27 × 585,471.84
  4. Step 4: Simplify right side
    778,857.31x = 629,180,983,764.44
  5. Step 5: Solve for x
    x = 629,180,983,764.44/778,857.31
  6. Step 6: Final answer
    x = 807,825.74

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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.