Home / 785,998.84-1,179,069.54-217,415.56

Finding the Fourth Proportional to 785,998.84, 1,179,069.54 and 217,415.56

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Solution

The fourth proportional to 785,998.84, 1,179,069.54 and 217,415.56 is: 326,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,998.84 : 1,179,069.54 = 217,415.56 : x
  2. Step 2: Convert to fraction form
    785,998.84/1,179,069.54 = 217,415.56/x
  3. Step 3: Cross multiply
    785,998.84x = 1,179,069.54 × 217,415.56
  4. Step 4: Simplify right side
    785,998.84x = 256,348,064,318.04
  5. Step 5: Solve for x
    x = 256,348,064,318.04/785,998.84
  6. Step 6: Final answer
    x = 326,143.06

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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.