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Finding the Fourth Proportional to 1,071,063, 1,606,529.16 and 439,960.68

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Solution

The fourth proportional to 1,071,063, 1,606,529.16 and 439,960.68 is: 659,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,063 : 1,606,529.16 = 439,960.68 : x
  2. Step 2: Convert to fraction form
    1,071,063/1,606,529.16 = 439,960.68/x
  3. Step 3: Cross multiply
    1,071,063x = 1,606,529.16 × 439,960.68
  4. Step 4: Simplify right side
    1,071,063x = 706,809,661,673.43
  5. Step 5: Solve for x
    x = 706,809,661,673.43/1,071,063
  6. Step 6: Final answer
    x = 659,914.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.