Home / 1,907,999.20-2,860,220.04-644,943.52

Finding the Fourth Proportional to 1,907,999.20, 2,860,220.04 and 644,943.52

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Solution

The fourth proportional to 1,907,999.20, 2,860,220.04 and 644,943.52 is: 966,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,999.20 : 2,860,220.04 = 644,943.52 : x
  2. Step 2: Convert to fraction form
    1,907,999.20/2,860,220.04 = 644,943.52/x
  3. Step 3: Cross multiply
    1,907,999.20x = 2,860,220.04 × 644,943.52
  4. Step 4: Simplify right side
    1,907,999.20x = 1,844,680,380,572.14
  5. Step 5: Solve for x
    x = 1,844,680,380,572.14/1,907,999.20
  6. Step 6: Final answer
    x = 966,814.02

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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.