Home / 649,949.54-975,083.84-458,198.67

Finding the Fourth Proportional to 649,949.54, 975,083.84 and 458,198.67

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Solution

The fourth proportional to 649,949.54, 975,083.84 and 458,198.67 is: 687,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,949.54 : 975,083.84 = 458,198.67 : x
  2. Step 2: Convert to fraction form
    649,949.54/975,083.84 = 458,198.67/x
  3. Step 3: Cross multiply
    649,949.54x = 975,083.84 × 458,198.67
  4. Step 4: Simplify right side
    649,949.54x = 446,782,121,710.31
  5. Step 5: Solve for x
    x = 446,782,121,710.31/649,949.54
  6. Step 6: Final answer
    x = 687,410.48

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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.