Home / 619,360.02-929,132.37-219,967.25

Finding the Fourth Proportional to 619,360.02, 929,132.37 and 219,967.25

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Solution

The fourth proportional to 619,360.02, 929,132.37 and 219,967.25 is: 329,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,360.02 : 929,132.37 = 219,967.25 : x
  2. Step 2: Convert to fraction form
    619,360.02/929,132.37 = 219,967.25/x
  3. Step 3: Cross multiply
    619,360.02x = 929,132.37 × 219,967.25
  4. Step 4: Simplify right side
    619,360.02x = 204,378,687,669.22
  5. Step 5: Solve for x
    x = 204,378,687,669.22/619,360.02
  6. Step 6: Final answer
    x = 329,983.66

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Double scale
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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.