Home / 1,019,977.08-1,407,560.58-561,081.78

Finding the Fourth Proportional to 1,019,977.08, 1,407,560.58 and 561,081.78

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Solution

The fourth proportional to 1,019,977.08, 1,407,560.58 and 561,081.78 is: 774,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,977.08 : 1,407,560.58 = 561,081.78 : x
  2. Step 2: Convert to fraction form
    1,019,977.08/1,407,560.58 = 561,081.78/x
  3. Step 3: Cross multiply
    1,019,977.08x = 1,407,560.58 × 561,081.78
  4. Step 4: Simplify right side
    1,019,977.08x = 789,756,595,684.23
  5. Step 5: Solve for x
    x = 789,756,595,684.23/1,019,977.08
  6. Step 6: Final answer
    x = 774,288.57

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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.