Home / 510,028.25-765,042.90-190,175.24

Finding the Fourth Proportional to 510,028.25, 765,042.90 and 190,175.24

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Solution

The fourth proportional to 510,028.25, 765,042.90 and 190,175.24 is: 285,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,028.25 : 765,042.90 = 190,175.24 : x
  2. Step 2: Convert to fraction form
    510,028.25/765,042.90 = 190,175.24/x
  3. Step 3: Cross multiply
    510,028.25x = 765,042.90 × 190,175.24
  4. Step 4: Simplify right side
    510,028.25x = 145,492,219,030.40
  5. Step 5: Solve for x
    x = 145,492,219,030.40/510,028.25
  6. Step 6: Final answer
    x = 285,263.06

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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.