Home / 866,295.20-1,299,628.22-259,131.16

Finding the Fourth Proportional to 866,295.20, 1,299,628.22 and 259,131.16

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Solution

The fourth proportional to 866,295.20, 1,299,628.22 and 259,131.16 is: 388,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,295.20 : 1,299,628.22 = 259,131.16 : x
  2. Step 2: Convert to fraction form
    866,295.20/1,299,628.22 = 259,131.16/x
  3. Step 3: Cross multiply
    866,295.20x = 1,299,628.22 × 259,131.16
  4. Step 4: Simplify right side
    866,295.20x = 336,774,168,217.34
  5. Step 5: Solve for x
    x = 336,774,168,217.34/866,295.20
  6. Step 6: Final answer
    x = 388,752.20

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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.