Home / 949,208.73-1,309,910.23-519,516.59

Finding the Fourth Proportional to 949,208.73, 1,309,910.23 and 519,516.59

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Solution

The fourth proportional to 949,208.73, 1,309,910.23 and 519,516.59 is: 716,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,208.73 : 1,309,910.23 = 519,516.59 : x
  2. Step 2: Convert to fraction form
    949,208.73/1,309,910.23 = 519,516.59/x
  3. Step 3: Cross multiply
    949,208.73x = 1,309,910.23 × 519,516.59
  4. Step 4: Simplify right side
    949,208.73x = 680,520,089,995.56
  5. Step 5: Solve for x
    x = 680,520,089,995.56/949,208.73
  6. Step 6: Final answer
    x = 716,934.09

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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.