Home / 619,420.63-929,469.48-240,356.24

Finding the Fourth Proportional to 619,420.63, 929,469.48 and 240,356.24

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Solution

The fourth proportional to 619,420.63, 929,469.48 and 240,356.24 is: 360,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,420.63 : 929,469.48 = 240,356.24 : x
  2. Step 2: Convert to fraction form
    619,420.63/929,469.48 = 240,356.24/x
  3. Step 3: Cross multiply
    619,420.63x = 929,469.48 × 240,356.24
  4. Step 4: Simplify right side
    619,420.63x = 223,403,789,407.56
  5. Step 5: Solve for x
    x = 223,403,789,407.56/619,420.63
  6. Step 6: Final answer
    x = 360,665.72

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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.