Home / 837,408.90-1,255,637.66-571,491.56

Finding the Fourth Proportional to 837,408.90, 1,255,637.66 and 571,491.56

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Solution

The fourth proportional to 837,408.90, 1,255,637.66 and 571,491.56 is: 856,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,408.90 : 1,255,637.66 = 571,491.56 : x
  2. Step 2: Convert to fraction form
    837,408.90/1,255,637.66 = 571,491.56/x
  3. Step 3: Cross multiply
    837,408.90x = 1,255,637.66 × 571,491.56
  4. Step 4: Simplify right side
    837,408.90x = 717,586,325,108.15
  5. Step 5: Solve for x
    x = 717,586,325,108.15/837,408.90
  6. Step 6: Final answer
    x = 856,912.70

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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.