Home / 619,511.10-929,047.95-220,164.90

Finding the Fourth Proportional to 619,511.10, 929,047.95 and 220,164.90

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Solution

The fourth proportional to 619,511.10, 929,047.95 and 220,164.90 is: 330,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,511.10 : 929,047.95 = 220,164.90 : x
  2. Step 2: Convert to fraction form
    619,511.10/929,047.95 = 220,164.90/x
  3. Step 3: Cross multiply
    619,511.10x = 929,047.95 × 220,164.90
  4. Step 4: Simplify right side
    619,511.10x = 204,543,749,006.96
  5. Step 5: Solve for x
    x = 204,543,749,006.96/619,511.10
  6. Step 6: Final answer
    x = 330,169.63

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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.