Home / 928,699.32-1,393,187.41-329,610.30

Finding the Fourth Proportional to 928,699.32, 1,393,187.41 and 329,610.30

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Solution

The fourth proportional to 928,699.32, 1,393,187.41 and 329,610.30 is: 494,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,699.32 : 1,393,187.41 = 329,610.30 : x
  2. Step 2: Convert to fraction form
    928,699.32/1,393,187.41 = 329,610.30/x
  3. Step 3: Cross multiply
    928,699.32x = 1,393,187.41 × 329,610.30
  4. Step 4: Simplify right side
    928,699.32x = 459,208,915,353.88
  5. Step 5: Solve for x
    x = 459,208,915,353.88/928,699.32
  6. Step 6: Final answer
    x = 494,464.57

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Double scale
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1.5x scale

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.