Home / 825,497.97-1,138,704.62-519,089.25

Finding the Fourth Proportional to 825,497.97, 1,138,704.62 and 519,089.25

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Solution

The fourth proportional to 825,497.97, 1,138,704.62 and 519,089.25 is: 716,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,497.97 : 1,138,704.62 = 519,089.25 : x
  2. Step 2: Convert to fraction form
    825,497.97/1,138,704.62 = 519,089.25/x
  3. Step 3: Cross multiply
    825,497.97x = 1,138,704.62 × 519,089.25
  4. Step 4: Simplify right side
    825,497.97x = 591,089,327,167.34
  5. Step 5: Solve for x
    x = 591,089,327,167.34/825,497.97
  6. Step 6: Final answer
    x = 716,039.71

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Double scale
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1.5x scale

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.