Home / 626,135.81-939,356.58-199,671.65

Finding the Fourth Proportional to 626,135.81, 939,356.58 and 199,671.65

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Solution

The fourth proportional to 626,135.81, 939,356.58 and 199,671.65 is: 299,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,135.81 : 939,356.58 = 199,671.65 : x
  2. Step 2: Convert to fraction form
    626,135.81/939,356.58 = 199,671.65/x
  3. Step 3: Cross multiply
    626,135.81x = 939,356.58 × 199,671.65
  4. Step 4: Simplify right side
    626,135.81x = 187,562,877,092.76
  5. Step 5: Solve for x
    x = 187,562,877,092.76/626,135.81
  6. Step 6: Final answer
    x = 299,556.22

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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.