Home / 996,245.57-1,493,421.51-389,422.92

Finding the Fourth Proportional to 996,245.57, 1,493,421.51 and 389,422.92

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Solution

The fourth proportional to 996,245.57, 1,493,421.51 and 389,422.92 is: 583,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,245.57 : 1,493,421.51 = 389,422.92 : x
  2. Step 2: Convert to fraction form
    996,245.57/1,493,421.51 = 389,422.92/x
  3. Step 3: Cross multiply
    996,245.57x = 1,493,421.51 × 389,422.92
  4. Step 4: Simplify right side
    996,245.57x = 581,572,565,215.01
  5. Step 5: Solve for x
    x = 581,572,565,215.01/996,245.57
  6. Step 6: Final answer
    x = 583,764.27

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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.