Home / 691,131.43-953,765.80-385,227.23

Finding the Fourth Proportional to 691,131.43, 953,765.80 and 385,227.23

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Solution

The fourth proportional to 691,131.43, 953,765.80 and 385,227.23 is: 531,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,131.43 : 953,765.80 = 385,227.23 : x
  2. Step 2: Convert to fraction form
    691,131.43/953,765.80 = 385,227.23/x
  3. Step 3: Cross multiply
    691,131.43x = 953,765.80 × 385,227.23
  4. Step 4: Simplify right side
    691,131.43x = 367,416,558,624.08
  5. Step 5: Solve for x
    x = 367,416,558,624.08/691,131.43
  6. Step 6: Final answer
    x = 531,616.05

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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.