Home / 826,185.25-1,237,811.74-345,353.11

Finding the Fourth Proportional to 826,185.25, 1,237,811.74 and 345,353.11

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Solution

The fourth proportional to 826,185.25, 1,237,811.74 and 345,353.11 is: 517,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,185.25 : 1,237,811.74 = 345,353.11 : x
  2. Step 2: Convert to fraction form
    826,185.25/1,237,811.74 = 345,353.11/x
  3. Step 3: Cross multiply
    826,185.25x = 1,237,811.74 × 345,353.11
  4. Step 4: Simplify right side
    826,185.25x = 427,482,131,988.21
  5. Step 5: Solve for x
    x = 427,482,131,988.21/826,185.25
  6. Step 6: Final answer
    x = 517,416.81

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1.5x scale

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.