Home / 688,868.24-1,033,321.84-190,232.24

Finding the Fourth Proportional to 688,868.24, 1,033,321.84 and 190,232.24

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Solution

The fourth proportional to 688,868.24, 1,033,321.84 and 190,232.24 is: 285,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,868.24 : 1,033,321.84 = 190,232.24 : x
  2. Step 2: Convert to fraction form
    688,868.24/1,033,321.84 = 190,232.24/x
  3. Step 3: Cross multiply
    688,868.24x = 1,033,321.84 × 190,232.24
  4. Step 4: Simplify right side
    688,868.24x = 196,571,128,264.12
  5. Step 5: Solve for x
    x = 196,571,128,264.12/688,868.24
  6. Step 6: Final answer
    x = 285,353.74

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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.