Home / 626,135.44-939,356.02-199,671.27

Finding the Fourth Proportional to 626,135.44, 939,356.02 and 199,671.27

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Solution

The fourth proportional to 626,135.44, 939,356.02 and 199,671.27 is: 299,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,135.44 : 939,356.02 = 199,671.27 : x
  2. Step 2: Convert to fraction form
    626,135.44/939,356.02 = 199,671.27/x
  3. Step 3: Cross multiply
    626,135.44x = 939,356.02 × 199,671.27
  4. Step 4: Simplify right side
    626,135.44x = 187,562,412,518.95
  5. Step 5: Solve for x
    x = 187,562,412,518.95/626,135.44
  6. Step 6: Final answer
    x = 299,555.66

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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.