Home / 619,237.80-928,856.70-198,556.20

Finding the Fourth Proportional to 619,237.80, 928,856.70 and 198,556.20

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Solution

The fourth proportional to 619,237.80, 928,856.70 and 198,556.20 is: 297,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,237.80 : 928,856.70 = 198,556.20 : x
  2. Step 2: Convert to fraction form
    619,237.80/928,856.70 = 198,556.20/x
  3. Step 3: Cross multiply
    619,237.80x = 928,856.70 × 198,556.20
  4. Step 4: Simplify right side
    619,237.80x = 184,430,256,696.54
  5. Step 5: Solve for x
    x = 184,430,256,696.54/619,237.80
  6. Step 6: Final answer
    x = 297,834.30

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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.