Home / 928,681.68-1,393,022.84-613,064.78

Finding the Fourth Proportional to 928,681.68, 1,393,022.84 and 613,064.78

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Solution

The fourth proportional to 928,681.68, 1,393,022.84 and 613,064.78 is: 919,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,681.68 : 1,393,022.84 = 613,064.78 : x
  2. Step 2: Convert to fraction form
    928,681.68/1,393,022.84 = 613,064.78/x
  3. Step 3: Cross multiply
    928,681.68x = 1,393,022.84 × 613,064.78
  4. Step 4: Simplify right side
    928,681.68x = 854,013,236,132.97
  5. Step 5: Solve for x
    x = 854,013,236,132.97/928,681.68
  6. Step 6: Final answer
    x = 919,597.37

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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.