Home / 827,164.20-1,240,746.30-295,285.80

Finding the Fourth Proportional to 827,164.20, 1,240,746.30 and 295,285.80

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Solution

The fourth proportional to 827,164.20, 1,240,746.30 and 295,285.80 is: 442,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,164.20 : 1,240,746.30 = 295,285.80 : x
  2. Step 2: Convert to fraction form
    827,164.20/1,240,746.30 = 295,285.80/x
  3. Step 3: Cross multiply
    827,164.20x = 1,240,746.30 × 295,285.80
  4. Step 4: Simplify right side
    827,164.20x = 366,374,763,792.54
  5. Step 5: Solve for x
    x = 366,374,763,792.54/827,164.20
  6. Step 6: Final answer
    x = 442,928.70

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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.