Home / 469,926.19-648,498.79-255,066.30

Finding the Fourth Proportional to 469,926.19, 648,498.79 and 255,066.30

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Solution

The fourth proportional to 469,926.19, 648,498.79 and 255,066.30 is: 351,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,926.19 : 648,498.79 = 255,066.30 : x
  2. Step 2: Convert to fraction form
    469,926.19/648,498.79 = 255,066.30/x
  3. Step 3: Cross multiply
    469,926.19x = 648,498.79 × 255,066.30
  4. Step 4: Simplify right side
    469,926.19x = 165,410,183,677.28
  5. Step 5: Solve for x
    x = 165,410,183,677.28/469,926.19
  6. Step 6: Final answer
    x = 351,991.84

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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.