Home / 688,690.14-950,505.19-573,786.56

Finding the Fourth Proportional to 688,690.14, 950,505.19 and 573,786.56

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Solution

The fourth proportional to 688,690.14, 950,505.19 and 573,786.56 is: 791,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,690.14 : 950,505.19 = 573,786.56 : x
  2. Step 2: Convert to fraction form
    688,690.14/950,505.19 = 573,786.56/x
  3. Step 3: Cross multiply
    688,690.14x = 950,505.19 × 573,786.56
  4. Step 4: Simplify right side
    688,690.14x = 545,387,103,232.25
  5. Step 5: Solve for x
    x = 545,387,103,232.25/688,690.14
  6. Step 6: Final answer
    x = 791,919.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.