Home / 649,105.36-973,750.20-199,863.56

Finding the Fourth Proportional to 649,105.36, 973,750.20 and 199,863.56

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Solution

The fourth proportional to 649,105.36, 973,750.20 and 199,863.56 is: 299,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,105.36 : 973,750.20 = 199,863.56 : x
  2. Step 2: Convert to fraction form
    649,105.36/973,750.20 = 199,863.56/x
  3. Step 3: Cross multiply
    649,105.36x = 973,750.20 × 199,863.56
  4. Step 4: Simplify right side
    649,105.36x = 194,617,181,522.71
  5. Step 5: Solve for x
    x = 194,617,181,522.71/649,105.36
  6. Step 6: Final answer
    x = 299,823.72

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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.