Home / 626,356.49-939,074.69-199,646.66

Finding the Fourth Proportional to 626,356.49, 939,074.69 and 199,646.66

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Solution

The fourth proportional to 626,356.49, 939,074.69 and 199,646.66 is: 299,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,356.49 : 939,074.69 = 199,646.66 : x
  2. Step 2: Convert to fraction form
    626,356.49/939,074.69 = 199,646.66/x
  3. Step 3: Cross multiply
    626,356.49x = 939,074.69 × 199,646.66
  4. Step 4: Simplify right side
    626,356.49x = 187,483,119,655.43
  5. Step 5: Solve for x
    x = 187,483,119,655.43/626,356.49
  6. Step 6: Final answer
    x = 299,323.35

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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.