Home / 971,943.97-1,457,749.79-261,805.93

Finding the Fourth Proportional to 971,943.97, 1,457,749.79 and 261,805.93

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Solution

The fourth proportional to 971,943.97, 1,457,749.79 and 261,805.93 is: 392,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,943.97 : 1,457,749.79 = 261,805.93 : x
  2. Step 2: Convert to fraction form
    971,943.97/1,457,749.79 = 261,805.93/x
  3. Step 3: Cross multiply
    971,943.97x = 1,457,749.79 × 261,805.93
  4. Step 4: Simplify right side
    971,943.97x = 381,647,538,169.23
  5. Step 5: Solve for x
    x = 381,647,538,169.23/971,943.97
  6. Step 6: Final answer
    x = 392,664.13

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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.