Home / 372,004.74-513,406.65-210,842.49

Finding the Fourth Proportional to 372,004.74, 513,406.65 and 210,842.49

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Solution

The fourth proportional to 372,004.74, 513,406.65 and 210,842.49 is: 290,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,004.74 : 513,406.65 = 210,842.49 : x
  2. Step 2: Convert to fraction form
    372,004.74/513,406.65 = 210,842.49/x
  3. Step 3: Cross multiply
    372,004.74x = 513,406.65 × 210,842.49
  4. Step 4: Simplify right side
    372,004.74x = 108,247,936,468.56
  5. Step 5: Solve for x
    x = 108,247,936,468.56/372,004.74
  6. Step 6: Final answer
    x = 290,985.37

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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.