Home / 493,985.72-681,700.97-267,631.22

Finding the Fourth Proportional to 493,985.72, 681,700.97 and 267,631.22

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Solution

The fourth proportional to 493,985.72, 681,700.97 and 267,631.22 is: 369,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,985.72 : 681,700.97 = 267,631.22 : x
  2. Step 2: Convert to fraction form
    493,985.72/681,700.97 = 267,631.22/x
  3. Step 3: Cross multiply
    493,985.72x = 681,700.97 × 267,631.22
  4. Step 4: Simplify right side
    493,985.72x = 182,444,462,276.28
  5. Step 5: Solve for x
    x = 182,444,462,276.28/493,985.72
  6. Step 6: Final answer
    x = 369,331.45

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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.