Home / 783,856.44-1,081,952.10-511,965.90

Finding the Fourth Proportional to 783,856.44, 1,081,952.10 and 511,965.90

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Solution

The fourth proportional to 783,856.44, 1,081,952.10 and 511,965.90 is: 706,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,856.44 : 1,081,952.10 = 511,965.90 : x
  2. Step 2: Convert to fraction form
    783,856.44/1,081,952.10 = 511,965.90/x
  3. Step 3: Cross multiply
    783,856.44x = 1,081,952.10 × 511,965.90
  4. Step 4: Simplify right side
    783,856.44x = 553,922,580,633.39
  5. Step 5: Solve for x
    x = 553,922,580,633.39/783,856.44
  6. Step 6: Final answer
    x = 706,663.30

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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.