Home / 928,681.37-1,393,022.36-613,064.47

Finding the Fourth Proportional to 928,681.37, 1,393,022.36 and 613,064.47

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Solution

The fourth proportional to 928,681.37, 1,393,022.36 and 613,064.47 is: 919,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,681.37 : 1,393,022.36 = 613,064.47 : x
  2. Step 2: Convert to fraction form
    928,681.37/1,393,022.36 = 613,064.47/x
  3. Step 3: Cross multiply
    928,681.37x = 1,393,022.36 × 613,064.47
  4. Step 4: Simplify right side
    928,681.37x = 854,012,511,348.99
  5. Step 5: Solve for x
    x = 854,012,511,348.99/928,681.37
  6. Step 6: Final answer
    x = 919,596.90

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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.