Home / 1,720,581.70-2,580,704.86-522,514.38

Finding the Fourth Proportional to 1,720,581.70, 2,580,704.86 and 522,514.38

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Solution

The fourth proportional to 1,720,581.70, 2,580,704.86 and 522,514.38 is: 783,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,581.70 : 2,580,704.86 = 522,514.38 : x
  2. Step 2: Convert to fraction form
    1,720,581.70/2,580,704.86 = 522,514.38/x
  3. Step 3: Cross multiply
    1,720,581.70x = 2,580,704.86 × 522,514.38
  4. Step 4: Simplify right side
    1,720,581.70x = 1,348,455,399,885.89
  5. Step 5: Solve for x
    x = 1,348,455,399,885.89/1,720,581.70
  6. Step 6: Final answer
    x = 783,720.65

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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.