Home / 414,237.72-571,840.56-312,304.44

Finding the Fourth Proportional to 414,237.72, 571,840.56 and 312,304.44

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Solution

The fourth proportional to 414,237.72, 571,840.56 and 312,304.44 is: 431,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,237.72 : 571,840.56 = 312,304.44 : x
  2. Step 2: Convert to fraction form
    414,237.72/571,840.56 = 312,304.44/x
  3. Step 3: Cross multiply
    414,237.72x = 571,840.56 × 312,304.44
  4. Step 4: Simplify right side
    414,237.72x = 178,588,345,860.09
  5. Step 5: Solve for x
    x = 178,588,345,860.09/414,237.72
  6. Step 6: Final answer
    x = 431,125.26

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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.