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Finding the Fourth Proportional to 1,376,597.56, 1,899,879.80 and 832,737.24

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Solution

The fourth proportional to 1,376,597.56, 1,899,879.80 and 832,737.24 is: 1,149,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,597.56 : 1,899,879.80 = 832,737.24 : x
  2. Step 2: Convert to fraction form
    1,376,597.56/1,899,879.80 = 832,737.24/x
  3. Step 3: Cross multiply
    1,376,597.56x = 1,899,879.80 × 832,737.24
  4. Step 4: Simplify right side
    1,376,597.56x = 1,582,100,661,504.21
  5. Step 5: Solve for x
    x = 1,582,100,661,504.21/1,376,597.56
  6. Step 6: Final answer
    x = 1,149,283.35

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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.