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Finding the Fourth Proportional to 1,014,284, 1,399,755.66 and 561,575

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Solution

The fourth proportional to 1,014,284, 1,399,755.66 and 561,575 is: 774,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,284 : 1,399,755.66 = 561,575 : x
  2. Step 2: Convert to fraction form
    1,014,284/1,399,755.66 = 561,575/x
  3. Step 3: Cross multiply
    1,014,284x = 1,399,755.66 × 561,575
  4. Step 4: Simplify right side
    1,014,284x = 786,067,784,764.50
  5. Step 5: Solve for x
    x = 786,067,784,764.50/1,014,284
  6. Step 6: Final answer
    x = 774,997.72

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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.