Home / 1,720,620.86-2,580,763.55-522,553.57

Finding the Fourth Proportional to 1,720,620.86, 2,580,763.55 and 522,553.57

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Solution

The fourth proportional to 1,720,620.86, 2,580,763.55 and 522,553.57 is: 783,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,620.86 : 2,580,763.55 = 522,553.57 : x
  2. Step 2: Convert to fraction form
    1,720,620.86/2,580,763.55 = 522,553.57/x
  3. Step 3: Cross multiply
    1,720,620.86x = 2,580,763.55 × 522,553.57
  4. Step 4: Simplify right side
    1,720,620.86x = 1,348,587,197,313.70
  5. Step 5: Solve for x
    x = 1,348,587,197,313.70/1,720,620.86
  6. Step 6: Final answer
    x = 783,779.41

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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.