Home / 499,788.02-689,723.30-273,433.52

Finding the Fourth Proportional to 499,788.02, 689,723.30 and 273,433.52

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Solution

The fourth proportional to 499,788.02, 689,723.30 and 273,433.52 is: 377,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,788.02 : 689,723.30 = 273,433.52 : x
  2. Step 2: Convert to fraction form
    499,788.02/689,723.30 = 273,433.52/x
  3. Step 3: Cross multiply
    499,788.02x = 689,723.30 × 273,433.52
  4. Step 4: Simplify right side
    499,788.02x = 188,593,472,152.91
  5. Step 5: Solve for x
    x = 188,593,472,152.91/499,788.02
  6. Step 6: Final answer
    x = 377,346.92

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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.