Home / 422,324.03-633,547.78-122,765.67

Finding the Fourth Proportional to 422,324.03, 633,547.78 and 122,765.67

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Solution

The fourth proportional to 422,324.03, 633,547.78 and 122,765.67 is: 184,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,324.03 : 633,547.78 = 122,765.67 : x
  2. Step 2: Convert to fraction form
    422,324.03/633,547.78 = 122,765.67/x
  3. Step 3: Cross multiply
    422,324.03x = 633,547.78 × 122,765.67
  4. Step 4: Simplify right side
    422,324.03x = 77,777,917,381.80
  5. Step 5: Solve for x
    x = 77,777,917,381.80/422,324.03
  6. Step 6: Final answer
    x = 184,166.45

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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.