Home / 688,514.64-950,131.26-382,583.12

Finding the Fourth Proportional to 688,514.64, 950,131.26 and 382,583.12

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Solution

The fourth proportional to 688,514.64, 950,131.26 and 382,583.12 is: 527,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,514.64 : 950,131.26 = 382,583.12 : x
  2. Step 2: Convert to fraction form
    688,514.64/950,131.26 = 382,583.12/x
  3. Step 3: Cross multiply
    688,514.64x = 950,131.26 × 382,583.12
  4. Step 4: Simplify right side
    688,514.64x = 363,504,181,860.33
  5. Step 5: Solve for x
    x = 363,504,181,860.33/688,514.64
  6. Step 6: Final answer
    x = 527,954.18

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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.