Home / 827,281.70-1,240,922.55-295,403.30

Finding the Fourth Proportional to 827,281.70, 1,240,922.55 and 295,403.30

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Solution

The fourth proportional to 827,281.70, 1,240,922.55 and 295,403.30 is: 443,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,281.70 : 1,240,922.55 = 295,403.30 : x
  2. Step 2: Convert to fraction form
    827,281.70/1,240,922.55 = 295,403.30/x
  3. Step 3: Cross multiply
    827,281.70x = 1,240,922.55 × 295,403.30
  4. Step 4: Simplify right side
    827,281.70x = 366,572,616,314.42
  5. Step 5: Solve for x
    x = 366,572,616,314.42/827,281.70
  6. Step 6: Final answer
    x = 443,104.95

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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.