Home / 805,164.20-1,206,363.90-383,532.20

Finding the Fourth Proportional to 805,164.20, 1,206,363.90 and 383,532.20

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Solution

The fourth proportional to 805,164.20, 1,206,363.90 and 383,532.20 is: 574,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,164.20 : 1,206,363.90 = 383,532.20 : x
  2. Step 2: Convert to fraction form
    805,164.20/1,206,363.90 = 383,532.20/x
  3. Step 3: Cross multiply
    805,164.20x = 1,206,363.90 × 383,532.20
  4. Step 4: Simplify right side
    805,164.20x = 462,679,400,567.58
  5. Step 5: Solve for x
    x = 462,679,400,567.58/805,164.20
  6. Step 6: Final answer
    x = 574,639.81

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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.