Home / 863,761.78-1,191,983.36-476,580.76

Finding the Fourth Proportional to 863,761.78, 1,191,983.36 and 476,580.76

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Solution

The fourth proportional to 863,761.78, 1,191,983.36 and 476,580.76 is: 657,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,761.78 : 1,191,983.36 = 476,580.76 : x
  2. Step 2: Convert to fraction form
    863,761.78/1,191,983.36 = 476,580.76/x
  3. Step 3: Cross multiply
    863,761.78x = 1,191,983.36 × 476,580.76
  4. Step 4: Simplify right side
    863,761.78x = 568,076,335,616.15
  5. Step 5: Solve for x
    x = 568,076,335,616.15/863,761.78
  6. Step 6: Final answer
    x = 657,677.09

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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.