Home / 1,103,923.55-1,523,191.23-644,949.47

Finding the Fourth Proportional to 1,103,923.55, 1,523,191.23 and 644,949.47

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Solution

The fourth proportional to 1,103,923.55, 1,523,191.23 and 644,949.47 is: 889,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,923.55 : 1,523,191.23 = 644,949.47 : x
  2. Step 2: Convert to fraction form
    1,103,923.55/1,523,191.23 = 644,949.47/x
  3. Step 3: Cross multiply
    1,103,923.55x = 1,523,191.23 × 644,949.47
  4. Step 4: Simplify right side
    1,103,923.55x = 982,381,380,305.13
  5. Step 5: Solve for x
    x = 982,381,380,305.13/1,103,923.55
  6. Step 6: Final answer
    x = 889,899.83

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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.