Home / 691,911.18-1,037,789.55-186,522.48

Finding the Fourth Proportional to 691,911.18, 1,037,789.55 and 186,522.48

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Solution

The fourth proportional to 691,911.18, 1,037,789.55 and 186,522.48 is: 279,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,911.18 : 1,037,789.55 = 186,522.48 : x
  2. Step 2: Convert to fraction form
    691,911.18/1,037,789.55 = 186,522.48/x
  3. Step 3: Cross multiply
    691,911.18x = 1,037,789.55 × 186,522.48
  4. Step 4: Simplify right side
    691,911.18x = 193,571,080,584.08
  5. Step 5: Solve for x
    x = 193,571,080,584.08/691,911.18
  6. Step 6: Final answer
    x = 279,762.90

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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.