Home / 1,902,436.82-2,853,622.32-640,264.44

Finding the Fourth Proportional to 1,902,436.82, 2,853,622.32 and 640,264.44

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Solution

The fourth proportional to 1,902,436.82, 2,853,622.32 and 640,264.44 is: 960,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,436.82 : 2,853,622.32 = 640,264.44 : x
  2. Step 2: Convert to fraction form
    1,902,436.82/2,853,622.32 = 640,264.44/x
  3. Step 3: Cross multiply
    1,902,436.82x = 2,853,622.32 × 640,264.44
  4. Step 4: Simplify right side
    1,902,436.82x = 1,827,072,904,986.39
  5. Step 5: Solve for x
    x = 1,827,072,904,986.39/1,902,436.82
  6. Step 6: Final answer
    x = 960,385.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.