Home / 691,258.10-1,036,887.15-192,622.10

Finding the Fourth Proportional to 691,258.10, 1,036,887.15 and 192,622.10

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Solution

The fourth proportional to 691,258.10, 1,036,887.15 and 192,622.10 is: 288,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,258.10 : 1,036,887.15 = 192,622.10 : x
  2. Step 2: Convert to fraction form
    691,258.10/1,036,887.15 = 192,622.10/x
  3. Step 3: Cross multiply
    691,258.10x = 1,036,887.15 × 192,622.10
  4. Step 4: Simplify right side
    691,258.10x = 199,727,380,296.02
  5. Step 5: Solve for x
    x = 199,727,380,296.02/691,258.10
  6. Step 6: Final answer
    x = 288,933.15

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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.