Home / 688,803.75-1,033,265.16-190,167.75

Finding the Fourth Proportional to 688,803.75, 1,033,265.16 and 190,167.75

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Solution

The fourth proportional to 688,803.75, 1,033,265.16 and 190,167.75 is: 285,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,803.75 : 1,033,265.16 = 190,167.75 : x
  2. Step 2: Convert to fraction form
    688,803.75/1,033,265.16 = 190,167.75/x
  3. Step 3: Cross multiply
    688,803.75x = 1,033,265.16 × 190,167.75
  4. Step 4: Simplify right side
    688,803.75x = 196,493,710,630.59
  5. Step 5: Solve for x
    x = 196,493,710,630.59/688,803.75
  6. Step 6: Final answer
    x = 285,268.06

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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.