Home / 455,162.82-626,439.38-334,112.37

Finding the Fourth Proportional to 455,162.82, 626,439.38 and 334,112.37

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Solution

The fourth proportional to 455,162.82, 626,439.38 and 334,112.37 is: 459,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,162.82 : 626,439.38 = 334,112.37 : x
  2. Step 2: Convert to fraction form
    455,162.82/626,439.38 = 334,112.37/x
  3. Step 3: Cross multiply
    455,162.82x = 626,439.38 × 334,112.37
  4. Step 4: Simplify right side
    455,162.82x = 209,301,145,913.13
  5. Step 5: Solve for x
    x = 209,301,145,913.13/455,162.82
  6. Step 6: Final answer
    x = 459,837.97

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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.