Home / 826,183.05-1,140,174.08-516,272.82

Finding the Fourth Proportional to 826,183.05, 1,140,174.08 and 516,272.82

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Solution

The fourth proportional to 826,183.05, 1,140,174.08 and 516,272.82 is: 712,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,183.05 : 1,140,174.08 = 516,272.82 : x
  2. Step 2: Convert to fraction form
    826,183.05/1,140,174.08 = 516,272.82/x
  3. Step 3: Cross multiply
    826,183.05x = 1,140,174.08 × 516,272.82
  4. Step 4: Simplify right side
    826,183.05x = 588,640,887,572.51
  5. Step 5: Solve for x
    x = 588,640,887,572.51/826,183.05
  6. Step 6: Final answer
    x = 712,482.41

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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.