Home / 499,948.80-689,926.08-273,593.60

Finding the Fourth Proportional to 499,948.80, 689,926.08 and 273,593.60

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Solution

The fourth proportional to 499,948.80, 689,926.08 and 273,593.60 is: 377,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,948.80 : 689,926.08 = 273,593.60 : x
  2. Step 2: Convert to fraction form
    499,948.80/689,926.08 = 273,593.60/x
  3. Step 3: Cross multiply
    499,948.80x = 689,926.08 × 273,593.60
  4. Step 4: Simplify right side
    499,948.80x = 188,759,359,961.09
  5. Step 5: Solve for x
    x = 188,759,359,961.09/499,948.80
  6. Step 6: Final answer
    x = 377,557.38

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1.5x scale

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.