Home / 330,829.68-456,311.16-228,886.32

Finding the Fourth Proportional to 330,829.68, 456,311.16 and 228,886.32

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Solution

The fourth proportional to 330,829.68, 456,311.16 and 228,886.32 is: 315,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,829.68 : 456,311.16 = 228,886.32 : x
  2. Step 2: Convert to fraction form
    330,829.68/456,311.16 = 228,886.32/x
  3. Step 3: Cross multiply
    330,829.68x = 456,311.16 × 228,886.32
  4. Step 4: Simplify right side
    330,829.68x = 104,443,382,187.33
  5. Step 5: Solve for x
    x = 104,443,382,187.33/330,829.68
  6. Step 6: Final answer
    x = 315,701.37

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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.