Home / 469,914.45-648,464.56-255,049.91

Finding the Fourth Proportional to 469,914.45, 648,464.56 and 255,049.91

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Solution

The fourth proportional to 469,914.45, 648,464.56 and 255,049.91 is: 351,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,914.45 : 648,464.56 = 255,049.91 : x
  2. Step 2: Convert to fraction form
    469,914.45/648,464.56 = 255,049.91/x
  3. Step 3: Cross multiply
    469,914.45x = 648,464.56 × 255,049.91
  4. Step 4: Simplify right side
    469,914.45x = 165,390,827,666.19
  5. Step 5: Solve for x
    x = 165,390,827,666.19/469,914.45
  6. Step 6: Final answer
    x = 351,959.44

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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.