Home / 692,936.40-1,039,793.40-293,509.20

Finding the Fourth Proportional to 692,936.40, 1,039,793.40 and 293,509.20

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Solution

The fourth proportional to 692,936.40, 1,039,793.40 and 293,509.20 is: 440,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,936.40 : 1,039,793.40 = 293,509.20 : x
  2. Step 2: Convert to fraction form
    692,936.40/1,039,793.40 = 293,509.20/x
  3. Step 3: Cross multiply
    692,936.40x = 1,039,793.40 × 293,509.20
  4. Step 4: Simplify right side
    692,936.40x = 305,188,928,999.28
  5. Step 5: Solve for x
    x = 305,188,928,999.28/692,936.40
  6. Step 6: Final answer
    x = 440,428.49

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Similar ratio
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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.