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Finding the Fourth Proportional to 1,064,393, 1,468,862.34 and 725,453.36

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Solution

The fourth proportional to 1,064,393, 1,468,862.34 and 725,453.36 is: 1,001,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,393 : 1,468,862.34 = 725,453.36 : x
  2. Step 2: Convert to fraction form
    1,064,393/1,468,862.34 = 725,453.36/x
  3. Step 3: Cross multiply
    1,064,393x = 1,468,862.34 × 725,453.36
  4. Step 4: Simplify right side
    1,064,393x = 1,065,591,119,930.46
  5. Step 5: Solve for x
    x = 1,065,591,119,930.46/1,064,393
  6. Step 6: Final answer
    x = 1,001,125.64

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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.