Home / 648,719.56-973,172.46-199,478.20

Finding the Fourth Proportional to 648,719.56, 973,172.46 and 199,478.20

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Solution

The fourth proportional to 648,719.56, 973,172.46 and 199,478.20 is: 299,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,719.56 : 973,172.46 = 199,478.20 : x
  2. Step 2: Convert to fraction form
    648,719.56/973,172.46 = 199,478.20/x
  3. Step 3: Cross multiply
    648,719.56x = 973,172.46 × 199,478.20
  4. Step 4: Simplify right side
    648,719.56x = 194,126,690,610.37
  5. Step 5: Solve for x
    x = 194,126,690,610.37/648,719.56
  6. Step 6: Final answer
    x = 299,245.93

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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.