Home / 417,971.37-576,977.01-282,189.18

Finding the Fourth Proportional to 417,971.37, 576,977.01 and 282,189.18

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Solution

The fourth proportional to 417,971.37, 576,977.01 and 282,189.18 is: 389,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,971.37 : 576,977.01 = 282,189.18 : x
  2. Step 2: Convert to fraction form
    417,971.37/576,977.01 = 282,189.18/x
  3. Step 3: Cross multiply
    417,971.37x = 576,977.01 × 282,189.18
  4. Step 4: Simplify right side
    417,971.37x = 162,816,669,330.75
  5. Step 5: Solve for x
    x = 162,816,669,330.75/417,971.37
  6. Step 6: Final answer
    x = 389,540.24

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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.