Home / 873,327.62-1,205,183.61-486,136.90

Finding the Fourth Proportional to 873,327.62, 1,205,183.61 and 486,136.90

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Solution

The fourth proportional to 873,327.62, 1,205,183.61 and 486,136.90 is: 670,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,327.62 : 1,205,183.61 = 486,136.90 : x
  2. Step 2: Convert to fraction form
    873,327.62/1,205,183.61 = 486,136.90/x
  3. Step 3: Cross multiply
    873,327.62x = 1,205,183.61 × 486,136.90
  4. Step 4: Simplify right side
    873,327.62x = 585,884,224,096.21
  5. Step 5: Solve for x
    x = 585,884,224,096.21/873,327.62
  6. Step 6: Final answer
    x = 670,864.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.