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Finding the Fourth Proportional to 1,354,587.92, 1,869,259.51 and 773,696.98

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Solution

The fourth proportional to 1,354,587.92, 1,869,259.51 and 773,696.98 is: 1,067,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,587.92 : 1,869,259.51 = 773,696.98 : x
  2. Step 2: Convert to fraction form
    1,354,587.92/1,869,259.51 = 773,696.98/x
  3. Step 3: Cross multiply
    1,354,587.92x = 1,869,259.51 × 773,696.98
  4. Step 4: Simplify right side
    1,354,587.92x = 1,446,240,431,115.89
  5. Step 5: Solve for x
    x = 1,446,240,431,115.89/1,354,587.92
  6. Step 6: Final answer
    x = 1,067,660.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.