Home / 619,364.04-929,138.36-219,971.24

Finding the Fourth Proportional to 619,364.04, 929,138.36 and 219,971.24

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Solution

The fourth proportional to 619,364.04, 929,138.36 and 219,971.24 is: 329,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,364.04 : 929,138.36 = 219,971.24 : x
  2. Step 2: Convert to fraction form
    619,364.04/929,138.36 = 219,971.24/x
  3. Step 3: Cross multiply
    619,364.04x = 929,138.36 × 219,971.24
  4. Step 4: Simplify right side
    619,364.04x = 204,383,717,180.77
  5. Step 5: Solve for x
    x = 204,383,717,180.77/619,364.04
  6. Step 6: Final answer
    x = 329,989.64

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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.