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Finding the Fourth Proportional to 1,064,394, 1,468,863.72 and 725,454.36

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Solution

The fourth proportional to 1,064,394, 1,468,863.72 and 725,454.36 is: 1,001,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,394 : 1,468,863.72 = 725,454.36 : x
  2. Step 2: Convert to fraction form
    1,064,394/1,468,863.72 = 725,454.36/x
  3. Step 3: Cross multiply
    1,064,394x = 1,468,863.72 × 725,454.36
  4. Step 4: Simplify right side
    1,064,394x = 1,065,593,589,919.82
  5. Step 5: Solve for x
    x = 1,065,593,589,919.82/1,064,394
  6. Step 6: Final answer
    x = 1,001,127.02

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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.