Home / 1,439,195.82-1,986,206.76-827,547.36

Finding the Fourth Proportional to 1,439,195.82, 1,986,206.76 and 827,547.36

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Solution

The fourth proportional to 1,439,195.82, 1,986,206.76 and 827,547.36 is: 1,142,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,195.82 : 1,986,206.76 = 827,547.36 : x
  2. Step 2: Convert to fraction form
    1,439,195.82/1,986,206.76 = 827,547.36/x
  3. Step 3: Cross multiply
    1,439,195.82x = 1,986,206.76 × 827,547.36
  4. Step 4: Simplify right side
    1,439,195.82x = 1,643,680,160,652.15
  5. Step 5: Solve for x
    x = 1,643,680,160,652.15/1,439,195.82
  6. Step 6: Final answer
    x = 1,142,082.36

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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.