Home / 698,254.20-1,047,379.56-185,919.48

Finding the Fourth Proportional to 698,254.20, 1,047,379.56 and 185,919.48

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Solution

The fourth proportional to 698,254.20, 1,047,379.56 and 185,919.48 is: 278,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,254.20 : 1,047,379.56 = 185,919.48 : x
  2. Step 2: Convert to fraction form
    698,254.20/1,047,379.56 = 185,919.48/x
  3. Step 3: Cross multiply
    698,254.20x = 1,047,379.56 × 185,919.48
  4. Step 4: Simplify right side
    698,254.20x = 194,728,263,157.83
  5. Step 5: Solve for x
    x = 194,728,263,157.83/698,254.20
  6. Step 6: Final answer
    x = 278,878.76

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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.