Home / 976,947-1,348,194.78-541,371.63

Finding the Fourth Proportional to 976,947, 1,348,194.78 and 541,371.63

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Solution

The fourth proportional to 976,947, 1,348,194.78 and 541,371.63 is: 747,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,947 : 1,348,194.78 = 541,371.63 : x
  2. Step 2: Convert to fraction form
    976,947/1,348,194.78 = 541,371.63/x
  3. Step 3: Cross multiply
    976,947x = 1,348,194.78 × 541,371.63
  4. Step 4: Simplify right side
    976,947x = 729,874,405,606.09
  5. Step 5: Solve for x
    x = 729,874,405,606.09/976,947
  6. Step 6: Final answer
    x = 747,097.24

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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.