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Finding the Fourth Proportional to 1,566,775, 2,162,163.18 and 851,383

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Solution

The fourth proportional to 1,566,775, 2,162,163.18 and 851,383 is: 1,174,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,775 : 2,162,163.18 = 851,383 : x
  2. Step 2: Convert to fraction form
    1,566,775/2,162,163.18 = 851,383/x
  3. Step 3: Cross multiply
    1,566,775x = 2,162,163.18 × 851,383
  4. Step 4: Simplify right side
    1,566,775x = 1,840,828,974,677.94
  5. Step 5: Solve for x
    x = 1,840,828,974,677.94/1,566,775
  6. Step 6: Final answer
    x = 1,174,915.97

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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.