Home / 499,331.66-689,028.18-284,458.92

Finding the Fourth Proportional to 499,331.66, 689,028.18 and 284,458.92

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Solution

The fourth proportional to 499,331.66, 689,028.18 and 284,458.92 is: 392,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,331.66 : 689,028.18 = 284,458.92 : x
  2. Step 2: Convert to fraction form
    499,331.66/689,028.18 = 284,458.92/x
  3. Step 3: Cross multiply
    499,331.66x = 689,028.18 × 284,458.92
  4. Step 4: Simplify right side
    499,331.66x = 196,000,211,932.37
  5. Step 5: Solve for x
    x = 196,000,211,932.37/499,331.66
  6. Step 6: Final answer
    x = 392,525.10

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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.