Home / 854,520.96-1,281,854.60-223,433.76

Finding the Fourth Proportional to 854,520.96, 1,281,854.60 and 223,433.76

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Solution

The fourth proportional to 854,520.96, 1,281,854.60 and 223,433.76 is: 335,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,520.96 : 1,281,854.60 = 223,433.76 : x
  2. Step 2: Convert to fraction form
    854,520.96/1,281,854.60 = 223,433.76/x
  3. Step 3: Cross multiply
    854,520.96x = 1,281,854.60 × 223,433.76
  4. Step 4: Simplify right side
    854,520.96x = 286,409,593,051.30
  5. Step 5: Solve for x
    x = 286,409,593,051.30/854,520.96
  6. Step 6: Final answer
    x = 335,169.77

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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.