Home / 791,321.05-1,091,624.89-519,351.19

Finding the Fourth Proportional to 791,321.05, 1,091,624.89 and 519,351.19

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Solution

The fourth proportional to 791,321.05, 1,091,624.89 and 519,351.19 is: 716,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,321.05 : 1,091,624.89 = 519,351.19 : x
  2. Step 2: Convert to fraction form
    791,321.05/1,091,624.89 = 519,351.19/x
  3. Step 3: Cross multiply
    791,321.05x = 1,091,624.89 × 519,351.19
  4. Step 4: Simplify right side
    791,321.05x = 566,936,685,655.12
  5. Step 5: Solve for x
    x = 566,936,685,655.12/791,321.05
  6. Step 6: Final answer
    x = 716,443.33

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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.