Home / 619,370.02-929,147.37-219,977.26

Finding the Fourth Proportional to 619,370.02, 929,147.37 and 219,977.26

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Solution

The fourth proportional to 619,370.02, 929,147.37 and 219,977.26 is: 329,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,370.02 : 929,147.37 = 219,977.26 : x
  2. Step 2: Convert to fraction form
    619,370.02/929,147.37 = 219,977.26/x
  3. Step 3: Cross multiply
    619,370.02x = 929,147.37 × 219,977.26
  4. Step 4: Simplify right side
    619,370.02x = 204,391,292,588.81
  5. Step 5: Solve for x
    x = 204,391,292,588.81/619,370.02
  6. Step 6: Final answer
    x = 329,998.69

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Double scale
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Similar ratio
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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.