Home / 717,963.80-1,076,936.10-219,330.20

Finding the Fourth Proportional to 717,963.80, 1,076,936.10 and 219,330.20

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Solution

The fourth proportional to 717,963.80, 1,076,936.10 and 219,330.20 is: 328,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,963.80 : 1,076,936.10 = 219,330.20 : x
  2. Step 2: Convert to fraction form
    717,963.80/1,076,936.10 = 219,330.20/x
  3. Step 3: Cross multiply
    717,963.80x = 1,076,936.10 × 219,330.20
  4. Step 4: Simplify right side
    717,963.80x = 236,204,610,200.22
  5. Step 5: Solve for x
    x = 236,204,610,200.22/717,963.80
  6. Step 6: Final answer
    x = 328,992.37

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1.5x scale

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.