Home / 469,789.05-648,310.63-254,929.16

Finding the Fourth Proportional to 469,789.05, 648,310.63 and 254,929.16

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Solution

The fourth proportional to 469,789.05, 648,310.63 and 254,929.16 is: 351,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,789.05 : 648,310.63 = 254,929.16 : x
  2. Step 2: Convert to fraction form
    469,789.05/648,310.63 = 254,929.16/x
  3. Step 3: Cross multiply
    469,789.05x = 648,310.63 × 254,929.16
  4. Step 4: Simplify right side
    469,789.05x = 165,273,280,446.10
  5. Step 5: Solve for x
    x = 165,273,280,446.10/469,789.05
  6. Step 6: Final answer
    x = 351,803.18

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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.