Home / 805,150.20-1,206,342.90-383,518.20

Finding the Fourth Proportional to 805,150.20, 1,206,342.90 and 383,518.20

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Solution

The fourth proportional to 805,150.20, 1,206,342.90 and 383,518.20 is: 574,618.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,150.20 : 1,206,342.90 = 383,518.20 : x
  2. Step 2: Convert to fraction form
    805,150.20/1,206,342.90 = 383,518.20/x
  3. Step 3: Cross multiply
    805,150.20x = 1,206,342.90 × 383,518.20
  4. Step 4: Simplify right side
    805,150.20x = 462,654,457,590.78
  5. Step 5: Solve for x
    x = 462,654,457,590.78/805,150.20
  6. Step 6: Final answer
    x = 574,618.82

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Double scale
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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.