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Finding the Fourth Proportional to 1,363,136, 1,881,050.92 and 751,286.88

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Solution

The fourth proportional to 1,363,136, 1,881,050.92 and 751,286.88 is: 1,036,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,136 : 1,881,050.92 = 751,286.88 : x
  2. Step 2: Convert to fraction form
    1,363,136/1,881,050.92 = 751,286.88/x
  3. Step 3: Cross multiply
    1,363,136x = 1,881,050.92 × 751,286.88
  4. Step 4: Simplify right side
    1,363,136x = 1,413,208,876,807.93
  5. Step 5: Solve for x
    x = 1,413,208,876,807.93/1,363,136
  6. Step 6: Final answer
    x = 1,036,733.59

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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.