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Finding the Fourth Proportional to 1,014,417, 1,399,997.52 and 561,708

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Solution

The fourth proportional to 1,014,417, 1,399,997.52 and 561,708 is: 775,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,417 : 1,399,997.52 = 561,708 : x
  2. Step 2: Convert to fraction form
    1,014,417/1,399,997.52 = 561,708/x
  3. Step 3: Cross multiply
    1,014,417x = 1,399,997.52 × 561,708
  4. Step 4: Simplify right side
    1,014,417x = 786,389,806,964.16
  5. Step 5: Solve for x
    x = 786,389,806,964.16/1,014,417
  6. Step 6: Final answer
    x = 775,213.55

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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.