Home / 394,985.92-589,441.55-352,995.52

Finding the Fourth Proportional to 394,985.92, 589,441.55 and 352,995.52

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Solution

The fourth proportional to 394,985.92, 589,441.55 and 352,995.52 is: 526,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,985.92 : 589,441.55 = 352,995.52 : x
  2. Step 2: Convert to fraction form
    394,985.92/589,441.55 = 352,995.52/x
  3. Step 3: Cross multiply
    394,985.92x = 589,441.55 × 352,995.52
  4. Step 4: Simplify right side
    394,985.92x = 208,070,226,451.86
  5. Step 5: Solve for x
    x = 208,070,226,451.86/394,985.92
  6. Step 6: Final answer
    x = 526,778.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.