Home / 1,191,503.12-1,644,274.20-654,959.12

Finding the Fourth Proportional to 1,191,503.12, 1,644,274.20 and 654,959.12

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Solution

The fourth proportional to 1,191,503.12, 1,644,274.20 and 654,959.12 is: 903,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,503.12 : 1,644,274.20 = 654,959.12 : x
  2. Step 2: Convert to fraction form
    1,191,503.12/1,644,274.20 = 654,959.12/x
  3. Step 3: Cross multiply
    1,191,503.12x = 1,644,274.20 × 654,959.12
  4. Step 4: Simplify right side
    1,191,503.12x = 1,076,932,383,070.70
  5. Step 5: Solve for x
    x = 1,076,932,383,070.70/1,191,503.12
  6. Step 6: Final answer
    x = 903,843.53

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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.