Home / 1,004,121.96-1,385,646.84-545,218.56

Finding the Fourth Proportional to 1,004,121.96, 1,385,646.84 and 545,218.56

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Solution

The fourth proportional to 1,004,121.96, 1,385,646.84 and 545,218.56 is: 752,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,121.96 : 1,385,646.84 = 545,218.56 : x
  2. Step 2: Convert to fraction form
    1,004,121.96/1,385,646.84 = 545,218.56/x
  3. Step 3: Cross multiply
    1,004,121.96x = 1,385,646.84 × 545,218.56
  4. Step 4: Simplify right side
    1,004,121.96x = 755,480,374,773.35
  5. Step 5: Solve for x
    x = 755,480,374,773.35/1,004,121.96
  6. Step 6: Final answer
    x = 752,379.10

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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.