Home / 619,539.53-929,309.36-220,196.07

Finding the Fourth Proportional to 619,539.53, 929,309.36 and 220,196.07

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Solution

The fourth proportional to 619,539.53, 929,309.36 and 220,196.07 is: 330,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,539.53 : 929,309.36 = 220,196.07 : x
  2. Step 2: Convert to fraction form
    619,539.53/929,309.36 = 220,196.07/x
  3. Step 3: Cross multiply
    619,539.53x = 929,309.36 × 220,196.07
  4. Step 4: Simplify right side
    619,539.53x = 204,630,267,785.24
  5. Step 5: Solve for x
    x = 204,630,267,785.24/619,539.53
  6. Step 6: Final answer
    x = 330,294.13

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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.