Home / 1,769,126.82-2,439,465.66-1,195,170.42

Finding the Fourth Proportional to 1,769,126.82, 2,439,465.66 and 1,195,170.42

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Solution

The fourth proportional to 1,769,126.82, 2,439,465.66 and 1,195,170.42 is: 1,648,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,126.82 : 2,439,465.66 = 1,195,170.42 : x
  2. Step 2: Convert to fraction form
    1,769,126.82/2,439,465.66 = 1,195,170.42/x
  3. Step 3: Cross multiply
    1,769,126.82x = 2,439,465.66 × 1,195,170.42
  4. Step 4: Simplify right side
    1,769,126.82x = 2,915,577,197,437.78
  5. Step 5: Solve for x
    x = 2,915,577,197,437.78/1,769,126.82
  6. Step 6: Final answer
    x = 1,648,031.77

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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.