Home / 728,565.60-1,092,848.28-196,087.80

Finding the Fourth Proportional to 728,565.60, 1,092,848.28 and 196,087.80

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Solution

The fourth proportional to 728,565.60, 1,092,848.28 and 196,087.80 is: 294,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,565.60 : 1,092,848.28 = 196,087.80 : x
  2. Step 2: Convert to fraction form
    728,565.60/1,092,848.28 = 196,087.80/x
  3. Step 3: Cross multiply
    728,565.60x = 1,092,848.28 × 196,087.80
  4. Step 4: Simplify right side
    728,565.60x = 214,294,214,958.98
  5. Step 5: Solve for x
    x = 214,294,214,958.98/728,565.60
  6. Step 6: Final answer
    x = 294,131.67

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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.