Home / 730,830.60-1,096,245.90-198,417.60

Finding the Fourth Proportional to 730,830.60, 1,096,245.90 and 198,417.60

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Solution

The fourth proportional to 730,830.60, 1,096,245.90 and 198,417.60 is: 297,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,830.60 : 1,096,245.90 = 198,417.60 : x
  2. Step 2: Convert to fraction form
    730,830.60/1,096,245.90 = 198,417.60/x
  3. Step 3: Cross multiply
    730,830.60x = 1,096,245.90 × 198,417.60
  4. Step 4: Simplify right side
    730,830.60x = 217,514,480,487.84
  5. Step 5: Solve for x
    x = 217,514,480,487.84/730,830.60
  6. Step 6: Final answer
    x = 297,626.40

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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.