Home / 1,103,619.76-1,523,411.44-644,883.41

Finding the Fourth Proportional to 1,103,619.76, 1,523,411.44 and 644,883.41

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Solution

The fourth proportional to 1,103,619.76, 1,523,411.44 and 644,883.41 is: 890,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,619.76 : 1,523,411.44 = 644,883.41 : x
  2. Step 2: Convert to fraction form
    1,103,619.76/1,523,411.44 = 644,883.41/x
  3. Step 3: Cross multiply
    1,103,619.76x = 1,523,411.44 × 644,883.41
  4. Step 4: Simplify right side
    1,103,619.76x = 982,422,766,674.98
  5. Step 5: Solve for x
    x = 982,422,766,674.98/1,103,619.76
  6. Step 6: Final answer
    x = 890,182.30

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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.