Home / 471,140.07-706,789.48-218,318.01

Finding the Fourth Proportional to 471,140.07, 706,789.48 and 218,318.01

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Solution

The fourth proportional to 471,140.07, 706,789.48 and 218,318.01 is: 327,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,140.07 : 706,789.48 = 218,318.01 : x
  2. Step 2: Convert to fraction form
    471,140.07/706,789.48 = 218,318.01/x
  3. Step 3: Cross multiply
    471,140.07x = 706,789.48 × 218,318.01
  4. Step 4: Simplify right side
    471,140.07x = 154,304,872,762.54
  5. Step 5: Solve for x
    x = 154,304,872,762.54/471,140.07
  6. Step 6: Final answer
    x = 327,513.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.