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Finding the Fourth Proportional to 1,250,586.96, 1,726,405.08 and 837,834.48

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Solution

The fourth proportional to 1,250,586.96, 1,726,405.08 and 837,834.48 is: 1,156,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,586.96 : 1,726,405.08 = 837,834.48 : x
  2. Step 2: Convert to fraction form
    1,250,586.96/1,726,405.08 = 837,834.48/x
  3. Step 3: Cross multiply
    1,250,586.96x = 1,726,405.08 × 837,834.48
  4. Step 4: Simplify right side
    1,250,586.96x = 1,446,441,702,471.16
  5. Step 5: Solve for x
    x = 1,446,441,702,471.16/1,250,586.96
  6. Step 6: Final answer
    x = 1,156,610.25

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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.