Home / 743,158.06-1,114,605.85-293,729.56

Finding the Fourth Proportional to 743,158.06, 1,114,605.85 and 293,729.56

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Solution

The fourth proportional to 743,158.06, 1,114,605.85 and 293,729.56 is: 440,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,158.06 : 1,114,605.85 = 293,729.56 : x
  2. Step 2: Convert to fraction form
    743,158.06/1,114,605.85 = 293,729.56/x
  3. Step 3: Cross multiply
    743,158.06x = 1,114,605.85 × 293,729.56
  4. Step 4: Simplify right side
    743,158.06x = 327,392,685,893.93
  5. Step 5: Solve for x
    x = 327,392,685,893.93/743,158.06
  6. Step 6: Final answer
    x = 440,542.47

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Double scale
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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.