Home / 730,821.61-1,096,188.68-198,330.85

Finding the Fourth Proportional to 730,821.61, 1,096,188.68 and 198,330.85

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Solution

The fourth proportional to 730,821.61, 1,096,188.68 and 198,330.85 is: 297,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,821.61 : 1,096,188.68 = 198,330.85 : x
  2. Step 2: Convert to fraction form
    730,821.61/1,096,188.68 = 198,330.85/x
  3. Step 3: Cross multiply
    730,821.61x = 1,096,188.68 × 198,330.85
  4. Step 4: Simplify right side
    730,821.61x = 217,408,031,673.12
  5. Step 5: Solve for x
    x = 217,408,031,673.12/730,821.61
  6. Step 6: Final answer
    x = 297,484.40

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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.