Home / 688,670.28-1,033,064.94-190,034.28

Finding the Fourth Proportional to 688,670.28, 1,033,064.94 and 190,034.28

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Solution

The fourth proportional to 688,670.28, 1,033,064.94 and 190,034.28 is: 285,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,670.28 : 1,033,064.94 = 190,034.28 : x
  2. Step 2: Convert to fraction form
    688,670.28/1,033,064.94 = 190,034.28/x
  3. Step 3: Cross multiply
    688,670.28x = 1,033,064.94 × 190,034.28
  4. Step 4: Simplify right side
    688,670.28x = 196,317,752,066.14
  5. Step 5: Solve for x
    x = 196,317,752,066.14/688,670.28
  6. Step 6: Final answer
    x = 285,067.84

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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.