Home / 837,408.39-1,255,636.91-571,491.06

Finding the Fourth Proportional to 837,408.39, 1,255,636.91 and 571,491.06

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Solution

The fourth proportional to 837,408.39, 1,255,636.91 and 571,491.06 is: 856,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,408.39 : 1,255,636.91 = 571,491.06 : x
  2. Step 2: Convert to fraction form
    837,408.39/1,255,636.91 = 571,491.06/x
  3. Step 3: Cross multiply
    837,408.39x = 1,255,636.91 × 571,491.06
  4. Step 4: Simplify right side
    837,408.39x = 717,585,265,813.57
  5. Step 5: Solve for x
    x = 717,585,265,813.57/837,408.39
  6. Step 6: Final answer
    x = 856,911.96

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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.