Home / 850,876.32-1,174,209.57-463,691.85

Finding the Fourth Proportional to 850,876.32, 1,174,209.57 and 463,691.85

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Solution

The fourth proportional to 850,876.32, 1,174,209.57 and 463,691.85 is: 639,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,876.32 : 1,174,209.57 = 463,691.85 : x
  2. Step 2: Convert to fraction form
    850,876.32/1,174,209.57 = 463,691.85/x
  3. Step 3: Cross multiply
    850,876.32x = 1,174,209.57 × 463,691.85
  4. Step 4: Simplify right side
    850,876.32x = 544,471,409,771.25
  5. Step 5: Solve for x
    x = 544,471,409,771.25/850,876.32
  6. Step 6: Final answer
    x = 639,894.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.