Home / 928,681.41-1,393,022.42-613,064.51

Finding the Fourth Proportional to 928,681.41, 1,393,022.42 and 613,064.51

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Solution

The fourth proportional to 928,681.41, 1,393,022.42 and 613,064.51 is: 919,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,681.41 : 1,393,022.42 = 613,064.51 : x
  2. Step 2: Convert to fraction form
    928,681.41/1,393,022.42 = 613,064.51/x
  3. Step 3: Cross multiply
    928,681.41x = 1,393,022.42 × 613,064.51
  4. Step 4: Simplify right side
    928,681.41x = 854,012,597,305.88
  5. Step 5: Solve for x
    x = 854,012,597,305.88/928,681.41
  6. Step 6: Final answer
    x = 919,596.96

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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.