Home / 1,318,581.14-1,819,426.30-866,432.66

Finding the Fourth Proportional to 1,318,581.14, 1,819,426.30 and 866,432.66

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Solution

The fourth proportional to 1,318,581.14, 1,819,426.30 and 866,432.66 is: 1,195,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,581.14 : 1,819,426.30 = 866,432.66 : x
  2. Step 2: Convert to fraction form
    1,318,581.14/1,819,426.30 = 866,432.66/x
  3. Step 3: Cross multiply
    1,318,581.14x = 1,819,426.30 × 866,432.66
  4. Step 4: Simplify right side
    1,318,581.14x = 1,576,410,368,782.96
  5. Step 5: Solve for x
    x = 1,576,410,368,782.96/1,318,581.14
  6. Step 6: Final answer
    x = 1,195,535.35

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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.