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Finding the Fourth Proportional to 959,432, 1,322,785.44 and 786,713.60

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Solution

The fourth proportional to 959,432, 1,322,785.44 and 786,713.60 is: 1,084,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,432 : 1,322,785.44 = 786,713.60 : x
  2. Step 2: Convert to fraction form
    959,432/1,322,785.44 = 786,713.60/x
  3. Step 3: Cross multiply
    959,432x = 1,322,785.44 × 786,713.60
  4. Step 4: Simplify right side
    959,432x = 1,040,653,295,529.98
  5. Step 5: Solve for x
    x = 1,040,653,295,529.98/959,432
  6. Step 6: Final answer
    x = 1,084,655.60

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1.5x scale

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.