Home / 688,807.44-1,033,209.72-190,170

Finding the Fourth Proportional to 688,807.44, 1,033,209.72 and 190,170

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Solution

The fourth proportional to 688,807.44, 1,033,209.72 and 190,170 is: 285,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,807.44 : 1,033,209.72 = 190,170 : x
  2. Step 2: Convert to fraction form
    688,807.44/1,033,209.72 = 190,170/x
  3. Step 3: Cross multiply
    688,807.44x = 1,033,209.72 × 190,170
  4. Step 4: Simplify right side
    688,807.44x = 196,485,492,452.40
  5. Step 5: Solve for x
    x = 196,485,492,452.40/688,807.44
  6. Step 6: Final answer
    x = 285,254.60

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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.