Home / 1,720,625.72-2,579,429.54-654,958.94

Finding the Fourth Proportional to 1,720,625.72, 2,579,429.54 and 654,958.94

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Solution

The fourth proportional to 1,720,625.72, 2,579,429.54 and 654,958.94 is: 981,863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,625.72 : 2,579,429.54 = 654,958.94 : x
  2. Step 2: Convert to fraction form
    1,720,625.72/2,579,429.54 = 654,958.94/x
  3. Step 3: Cross multiply
    1,720,625.72x = 2,579,429.54 × 654,958.94
  4. Step 4: Simplify right side
    1,720,625.72x = 1,689,420,426,063.34
  5. Step 5: Solve for x
    x = 1,689,420,426,063.34/1,720,625.72
  6. Step 6: Final answer
    x = 981,863.99

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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.