Home / 1,904,167.88-2,856,261.62-642,006.44

Finding the Fourth Proportional to 1,904,167.88, 2,856,261.62 and 642,006.44

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Solution

The fourth proportional to 1,904,167.88, 2,856,261.62 and 642,006.44 is: 963,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,167.88 : 2,856,261.62 = 642,006.44 : x
  2. Step 2: Convert to fraction form
    1,904,167.88/2,856,261.62 = 642,006.44/x
  3. Step 3: Cross multiply
    1,904,167.88x = 2,856,261.62 × 642,006.44
  4. Step 4: Simplify right side
    1,904,167.88x = 1,833,738,354,364.83
  5. Step 5: Solve for x
    x = 1,833,738,354,364.83/1,904,167.88
  6. Step 6: Final answer
    x = 963,012.96

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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.