Home / 623,356.40-935,087.64-196,778.10

Finding the Fourth Proportional to 623,356.40, 935,087.64 and 196,778.10

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Solution

The fourth proportional to 623,356.40, 935,087.64 and 196,778.10 is: 295,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,356.40 : 935,087.64 = 196,778.10 : x
  2. Step 2: Convert to fraction form
    623,356.40/935,087.64 = 196,778.10/x
  3. Step 3: Cross multiply
    623,356.40x = 935,087.64 × 196,778.10
  4. Step 4: Simplify right side
    623,356.40x = 184,004,769,132.68
  5. Step 5: Solve for x
    x = 184,004,769,132.68/623,356.40
  6. Step 6: Final answer
    x = 295,183.90

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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.