Home / 1,162,177.83-1,603,507.55-678,465.02

Finding the Fourth Proportional to 1,162,177.83, 1,603,507.55 and 678,465.02

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Solution

The fourth proportional to 1,162,177.83, 1,603,507.55 and 678,465.02 is: 936,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,177.83 : 1,603,507.55 = 678,465.02 : x
  2. Step 2: Convert to fraction form
    1,162,177.83/1,603,507.55 = 678,465.02/x
  3. Step 3: Cross multiply
    1,162,177.83x = 1,603,507.55 × 678,465.02
  4. Step 4: Simplify right side
    1,162,177.83x = 1,087,923,770,571.04
  5. Step 5: Solve for x
    x = 1,087,923,770,571.04/1,162,177.83
  6. Step 6: Final answer
    x = 936,107.83

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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.