Home / 493,962.96-681,682.19-279,098.11

Finding the Fourth Proportional to 493,962.96, 681,682.19 and 279,098.11

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Solution

The fourth proportional to 493,962.96, 681,682.19 and 279,098.11 is: 385,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,962.96 : 681,682.19 = 279,098.11 : x
  2. Step 2: Convert to fraction form
    493,962.96/681,682.19 = 279,098.11/x
  3. Step 3: Cross multiply
    493,962.96x = 681,682.19 × 279,098.11
  4. Step 4: Simplify right side
    493,962.96x = 190,256,210,849.66
  5. Step 5: Solve for x
    x = 190,256,210,849.66/493,962.96
  6. Step 6: Final answer
    x = 385,162.91

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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.