Home / 839,122.98-1,157,685.96-548,900.21

Finding the Fourth Proportional to 839,122.98, 1,157,685.96 and 548,900.21

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Solution

The fourth proportional to 839,122.98, 1,157,685.96 and 548,900.21 is: 757,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,122.98 : 1,157,685.96 = 548,900.21 : x
  2. Step 2: Convert to fraction form
    839,122.98/1,157,685.96 = 548,900.21/x
  3. Step 3: Cross multiply
    839,122.98x = 1,157,685.96 × 548,900.21
  4. Step 4: Simplify right side
    839,122.98x = 635,454,066,558.05
  5. Step 5: Solve for x
    x = 635,454,066,558.05/839,122.98
  6. Step 6: Final answer
    x = 757,283.59

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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.