Home / 949,081.82-1,309,732.95-519,361.97

Finding the Fourth Proportional to 949,081.82, 1,309,732.95 and 519,361.97

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Solution

The fourth proportional to 949,081.82, 1,309,732.95 and 519,361.97 is: 716,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,081.82 : 1,309,732.95 = 519,361.97 : x
  2. Step 2: Convert to fraction form
    949,081.82/1,309,732.95 = 519,361.97/x
  3. Step 3: Cross multiply
    949,081.82x = 1,309,732.95 × 519,361.97
  4. Step 4: Simplify right side
    949,081.82x = 680,225,485,085.91
  5. Step 5: Solve for x
    x = 680,225,485,085.91/949,081.82
  6. Step 6: Final answer
    x = 716,719.54

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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.