Home / 891,553.75-1,230,344.15-509,588.73

Finding the Fourth Proportional to 891,553.75, 1,230,344.15 and 509,588.73

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Solution

The fourth proportional to 891,553.75, 1,230,344.15 and 509,588.73 is: 703,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,553.75 : 1,230,344.15 = 509,588.73 : x
  2. Step 2: Convert to fraction form
    891,553.75/1,230,344.15 = 509,588.73/x
  3. Step 3: Cross multiply
    891,553.75x = 1,230,344.15 × 509,588.73
  4. Step 4: Simplify right side
    891,553.75x = 626,969,512,861.43
  5. Step 5: Solve for x
    x = 626,969,512,861.43/891,553.75
  6. Step 6: Final answer
    x = 703,232.43

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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.