Home / 949,086.26-1,309,739.11-519,366.41

Finding the Fourth Proportional to 949,086.26, 1,309,739.11 and 519,366.41

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Solution

The fourth proportional to 949,086.26, 1,309,739.11 and 519,366.41 is: 716,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,086.26 : 1,309,739.11 = 519,366.41 : x
  2. Step 2: Convert to fraction form
    949,086.26/1,309,739.11 = 519,366.41/x
  3. Step 3: Cross multiply
    949,086.26x = 1,309,739.11 × 519,366.41
  4. Step 4: Simplify right side
    949,086.26x = 680,234,497,000.46
  5. Step 5: Solve for x
    x = 680,234,497,000.46/949,086.26
  6. Step 6: Final answer
    x = 716,725.68

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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.