Home / 847,138.88-1,169,059.86-465,173.87

Finding the Fourth Proportional to 847,138.88, 1,169,059.86 and 465,173.87

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Solution

The fourth proportional to 847,138.88, 1,169,059.86 and 465,173.87 is: 641,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,138.88 : 1,169,059.86 = 465,173.87 : x
  2. Step 2: Convert to fraction form
    847,138.88/1,169,059.86 = 465,173.87/x
  3. Step 3: Cross multiply
    847,138.88x = 1,169,059.86 × 465,173.87
  4. Step 4: Simplify right side
    847,138.88x = 543,816,093,492.56
  5. Step 5: Solve for x
    x = 543,816,093,492.56/847,138.88
  6. Step 6: Final answer
    x = 641,944.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.