Home / 696,821.40-1,045,232.10-198,120.60

Finding the Fourth Proportional to 696,821.40, 1,045,232.10 and 198,120.60

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Solution

The fourth proportional to 696,821.40, 1,045,232.10 and 198,120.60 is: 297,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,821.40 : 1,045,232.10 = 198,120.60 : x
  2. Step 2: Convert to fraction form
    696,821.40/1,045,232.10 = 198,120.60/x
  3. Step 3: Cross multiply
    696,821.40x = 1,045,232.10 × 198,120.60
  4. Step 4: Simplify right side
    696,821.40x = 207,082,010,791.26
  5. Step 5: Solve for x
    x = 207,082,010,791.26/696,821.40
  6. Step 6: Final answer
    x = 297,180.90

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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.