Home / 1,835,999.10-2,753,998.65-639,272.70

Finding the Fourth Proportional to 1,835,999.10, 2,753,998.65 and 639,272.70

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Solution

The fourth proportional to 1,835,999.10, 2,753,998.65 and 639,272.70 is: 958,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,999.10 : 2,753,998.65 = 639,272.70 : x
  2. Step 2: Convert to fraction form
    1,835,999.10/2,753,998.65 = 639,272.70/x
  3. Step 3: Cross multiply
    1,835,999.10x = 2,753,998.65 × 639,272.70
  4. Step 4: Simplify right side
    1,835,999.10x = 1,760,556,152,781.85
  5. Step 5: Solve for x
    x = 1,760,556,152,781.85/1,835,999.10
  6. Step 6: Final answer
    x = 958,909.05

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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.