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Finding the Fourth Proportional to 1,019,448, 1,406,839.86 and 566,739

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Solution

The fourth proportional to 1,019,448, 1,406,839.86 and 566,739 is: 782,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,448 : 1,406,839.86 = 566,739 : x
  2. Step 2: Convert to fraction form
    1,019,448/1,406,839.86 = 566,739/x
  3. Step 3: Cross multiply
    1,019,448x = 1,406,839.86 × 566,739
  4. Step 4: Simplify right side
    1,019,448x = 797,311,015,416.54
  5. Step 5: Solve for x
    x = 797,311,015,416.54/1,019,448
  6. Step 6: Final answer
    x = 782,100.72

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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.