Home / 474,749.86-712,187.32-154,789.38

Finding the Fourth Proportional to 474,749.86, 712,187.32 and 154,789.38

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Solution

The fourth proportional to 474,749.86, 712,187.32 and 154,789.38 is: 232,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,749.86 : 712,187.32 = 154,789.38 : x
  2. Step 2: Convert to fraction form
    474,749.86/712,187.32 = 154,789.38/x
  3. Step 3: Cross multiply
    474,749.86x = 712,187.32 × 154,789.38
  4. Step 4: Simplify right side
    474,749.86x = 110,239,033,609.92
  5. Step 5: Solve for x
    x = 110,239,033,609.92/474,749.86
  6. Step 6: Final answer
    x = 232,204.46

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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.