Home / 649,108.53-973,754.96-199,866.69

Finding the Fourth Proportional to 649,108.53, 973,754.96 and 199,866.69

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Solution

The fourth proportional to 649,108.53, 973,754.96 and 199,866.69 is: 299,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,108.53 : 973,754.96 = 199,866.69 : x
  2. Step 2: Convert to fraction form
    649,108.53/973,754.96 = 199,866.69/x
  3. Step 3: Cross multiply
    649,108.53x = 973,754.96 × 199,866.69
  4. Step 4: Simplify right side
    649,108.53x = 194,621,179,726.95
  5. Step 5: Solve for x
    x = 194,621,179,726.95/649,108.53
  6. Step 6: Final answer
    x = 299,828.41

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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.