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Finding the Fourth Proportional to 2,015,857, 3,023,785.50 and 833,905

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Solution

The fourth proportional to 2,015,857, 3,023,785.50 and 833,905 is: 1,250,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,857 : 3,023,785.50 = 833,905 : x
  2. Step 2: Convert to fraction form
    2,015,857/3,023,785.50 = 833,905/x
  3. Step 3: Cross multiply
    2,015,857x = 3,023,785.50 × 833,905
  4. Step 4: Simplify right side
    2,015,857x = 2,521,549,847,377.50
  5. Step 5: Solve for x
    x = 2,521,549,847,377.50/2,015,857
  6. Step 6: Final answer
    x = 1,250,857.50

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1.5x scale

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.