Home / 741,376.47-1,023,208.83-469,469.19

Finding the Fourth Proportional to 741,376.47, 1,023,208.83 and 469,469.19

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Solution

The fourth proportional to 741,376.47, 1,023,208.83 and 469,469.19 is: 647,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,376.47 : 1,023,208.83 = 469,469.19 : x
  2. Step 2: Convert to fraction form
    741,376.47/1,023,208.83 = 469,469.19/x
  3. Step 3: Cross multiply
    741,376.47x = 1,023,208.83 × 469,469.19
  4. Step 4: Simplify right side
    741,376.47x = 480,365,020,620.95
  5. Step 5: Solve for x
    x = 480,365,020,620.95/741,376.47
  6. Step 6: Final answer
    x = 647,936.70

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Double scale
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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.