Home / 1,100,365.22-1,650,785.37-342,191.86

Finding the Fourth Proportional to 1,100,365.22, 1,650,785.37 and 342,191.86

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Solution

The fourth proportional to 1,100,365.22, 1,650,785.37 and 342,191.86 is: 513,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,365.22 : 1,650,785.37 = 342,191.86 : x
  2. Step 2: Convert to fraction form
    1,100,365.22/1,650,785.37 = 342,191.86/x
  3. Step 3: Cross multiply
    1,100,365.22x = 1,650,785.37 × 342,191.86
  4. Step 4: Simplify right side
    1,100,365.22x = 564,885,310,810.91
  5. Step 5: Solve for x
    x = 564,885,310,810.91/1,100,365.22
  6. Step 6: Final answer
    x = 513,361.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.