Home / 1,289,336.80-1,934,005.20-1,160,905.23

Finding the Fourth Proportional to 1,289,336.80, 1,934,005.20 and 1,160,905.23

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Solution

The fourth proportional to 1,289,336.80, 1,934,005.20 and 1,160,905.23 is: 1,741,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,336.80 : 1,934,005.20 = 1,160,905.23 : x
  2. Step 2: Convert to fraction form
    1,289,336.80/1,934,005.20 = 1,160,905.23/x
  3. Step 3: Cross multiply
    1,289,336.80x = 1,934,005.20 × 1,160,905.23
  4. Step 4: Simplify right side
    1,289,336.80x = 2,245,196,751,527.20
  5. Step 5: Solve for x
    x = 2,245,196,751,527.20/1,289,336.80
  6. Step 6: Final answer
    x = 1,741,357.85

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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.