Home / 862,408.35-1,181,503.71-830,085.71

Finding the Fourth Proportional to 862,408.35, 1,181,503.71 and 830,085.71

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Solution

The fourth proportional to 862,408.35, 1,181,503.71 and 830,085.71 is: 1,137,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,408.35 : 1,181,503.71 = 830,085.71 : x
  2. Step 2: Convert to fraction form
    862,408.35/1,181,503.71 = 830,085.71/x
  3. Step 3: Cross multiply
    862,408.35x = 1,181,503.71 × 830,085.71
  4. Step 4: Simplify right side
    862,408.35x = 980,749,340,075.47
  5. Step 5: Solve for x
    x = 980,749,340,075.47/862,408.35
  6. Step 6: Final answer
    x = 1,137,221.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.