Home / 619,362.02-929,135.38-219,969.24

Finding the Fourth Proportional to 619,362.02, 929,135.38 and 219,969.24

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Solution

The fourth proportional to 619,362.02, 929,135.38 and 219,969.24 is: 329,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,362.02 : 929,135.38 = 219,969.24 : x
  2. Step 2: Convert to fraction form
    619,362.02/929,135.38 = 219,969.24/x
  3. Step 3: Cross multiply
    619,362.02x = 929,135.38 × 219,969.24
  4. Step 4: Simplify right side
    619,362.02x = 204,381,203,395.71
  5. Step 5: Solve for x
    x = 204,381,203,395.71/619,362.02
  6. Step 6: Final answer
    x = 329,986.66

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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.