Home / 458,799.17-687,819.83-202,449.21

Finding the Fourth Proportional to 458,799.17, 687,819.83 and 202,449.21

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Solution

The fourth proportional to 458,799.17, 687,819.83 and 202,449.21 is: 303,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,799.17 : 687,819.83 = 202,449.21 : x
  2. Step 2: Convert to fraction form
    458,799.17/687,819.83 = 202,449.21/x
  3. Step 3: Cross multiply
    458,799.17x = 687,819.83 × 202,449.21
  4. Step 4: Simplify right side
    458,799.17x = 139,248,578,183.65
  5. Step 5: Solve for x
    x = 139,248,578,183.65/458,799.17
  6. Step 6: Final answer
    x = 303,506.60

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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.