Home / 1,769,104.32-2,439,434.64-1,195,147.92

Finding the Fourth Proportional to 1,769,104.32, 2,439,434.64 and 1,195,147.92

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Solution

The fourth proportional to 1,769,104.32, 2,439,434.64 and 1,195,147.92 is: 1,648,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,104.32 : 2,439,434.64 = 1,195,147.92 : x
  2. Step 2: Convert to fraction form
    1,769,104.32/2,439,434.64 = 1,195,147.92/x
  3. Step 3: Cross multiply
    1,769,104.32x = 2,439,434.64 × 1,195,147.92
  4. Step 4: Simplify right side
    1,769,104.32x = 2,915,485,235,971.95
  5. Step 5: Solve for x
    x = 2,915,485,235,971.95/1,769,104.32
  6. Step 6: Final answer
    x = 1,648,000.74

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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.