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Finding the Fourth Proportional to 1,439,225, 1,986,305.46 and 835,613

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Solution

The fourth proportional to 1,439,225, 1,986,305.46 and 835,613 is: 1,153,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,225 : 1,986,305.46 = 835,613 : x
  2. Step 2: Convert to fraction form
    1,439,225/1,986,305.46 = 835,613/x
  3. Step 3: Cross multiply
    1,439,225x = 1,986,305.46 × 835,613
  4. Step 4: Simplify right side
    1,439,225x = 1,659,782,664,346.98
  5. Step 5: Solve for x
    x = 1,659,782,664,346.98/1,439,225
  6. Step 6: Final answer
    x = 1,153,247.52

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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.