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Finding the Fourth Proportional to 1,022,699.76, 1,411,374 and 569,994

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Solution

The fourth proportional to 1,022,699.76, 1,411,374 and 569,994 is: 786,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,699.76 : 1,411,374 = 569,994 : x
  2. Step 2: Convert to fraction form
    1,022,699.76/1,411,374 = 569,994/x
  3. Step 3: Cross multiply
    1,022,699.76x = 1,411,374 × 569,994
  4. Step 4: Simplify right side
    1,022,699.76x = 804,474,711,756
  5. Step 5: Solve for x
    x = 804,474,711,756/1,022,699.76
  6. Step 6: Final answer
    x = 786,618.66

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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.