Home / 929,331.18-1,394,012.16-255,408.35

Finding the Fourth Proportional to 929,331.18, 1,394,012.16 and 255,408.35

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Solution

The fourth proportional to 929,331.18, 1,394,012.16 and 255,408.35 is: 383,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,331.18 : 1,394,012.16 = 255,408.35 : x
  2. Step 2: Convert to fraction form
    929,331.18/1,394,012.16 = 255,408.35/x
  3. Step 3: Cross multiply
    929,331.18x = 1,394,012.16 × 255,408.35
  4. Step 4: Simplify right side
    929,331.18x = 356,042,338,695.48
  5. Step 5: Solve for x
    x = 356,042,338,695.48/929,331.18
  6. Step 6: Final answer
    x = 383,116.75

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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.