Home / 930,616.68-1,284,282.16-517,170.88

Finding the Fourth Proportional to 930,616.68, 1,284,282.16 and 517,170.88

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Solution

The fourth proportional to 930,616.68, 1,284,282.16 and 517,170.88 is: 713,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,616.68 : 1,284,282.16 = 517,170.88 : x
  2. Step 2: Convert to fraction form
    930,616.68/1,284,282.16 = 517,170.88/x
  3. Step 3: Cross multiply
    930,616.68x = 1,284,282.16 × 517,170.88
  4. Step 4: Simplify right side
    930,616.68x = 664,193,339,883.03
  5. Step 5: Solve for x
    x = 664,193,339,883.03/930,616.68
  6. Step 6: Final answer
    x = 713,713.13

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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.