Home / 644,895.02-967,344.78-195,619.76

Finding the Fourth Proportional to 644,895.02, 967,344.78 and 195,619.76

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Solution

The fourth proportional to 644,895.02, 967,344.78 and 195,619.76 is: 293,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,895.02 : 967,344.78 = 195,619.76 : x
  2. Step 2: Convert to fraction form
    644,895.02/967,344.78 = 195,619.76/x
  3. Step 3: Cross multiply
    644,895.02x = 967,344.78 × 195,619.76
  4. Step 4: Simplify right side
    644,895.02x = 189,231,753,700.85
  5. Step 5: Solve for x
    x = 189,231,753,700.85/644,895.02
  6. Step 6: Final answer
    x = 293,430.32

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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.