Home / 1,103,965.95-1,523,249.46-644,991.80

Finding the Fourth Proportional to 1,103,965.95, 1,523,249.46 and 644,991.80

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Solution

The fourth proportional to 1,103,965.95, 1,523,249.46 and 644,991.80 is: 889,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,965.95 : 1,523,249.46 = 644,991.80 : x
  2. Step 2: Convert to fraction form
    1,103,965.95/1,523,249.46 = 644,991.80/x
  3. Step 3: Cross multiply
    1,103,965.95x = 1,523,249.46 × 644,991.80
  4. Step 4: Simplify right side
    1,103,965.95x = 982,483,411,054.43
  5. Step 5: Solve for x
    x = 982,483,411,054.43/1,103,965.95
  6. Step 6: Final answer
    x = 889,958.07

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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.