Home / 1,051,941.66-1,451,920.91-644,268.12

Finding the Fourth Proportional to 1,051,941.66, 1,451,920.91 and 644,268.12

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Solution

The fourth proportional to 1,051,941.66, 1,451,920.91 and 644,268.12 is: 889,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,941.66 : 1,451,920.91 = 644,268.12 : x
  2. Step 2: Convert to fraction form
    1,051,941.66/1,451,920.91 = 644,268.12/x
  3. Step 3: Cross multiply
    1,051,941.66x = 1,451,920.91 × 644,268.12
  4. Step 4: Simplify right side
    1,051,941.66x = 935,426,355,074.39
  5. Step 5: Solve for x
    x = 935,426,355,074.39/1,051,941.66
  6. Step 6: Final answer
    x = 889,237.86

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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.