Home / 862,672.83-1,190,577.09-518,620.14

Finding the Fourth Proportional to 862,672.83, 1,190,577.09 and 518,620.14

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Solution

The fourth proportional to 862,672.83, 1,190,577.09 and 518,620.14 is: 715,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,672.83 : 1,190,577.09 = 518,620.14 : x
  2. Step 2: Convert to fraction form
    862,672.83/1,190,577.09 = 518,620.14/x
  3. Step 3: Cross multiply
    862,672.83x = 1,190,577.09 × 518,620.14
  4. Step 4: Simplify right side
    862,672.83x = 617,457,257,096.59
  5. Step 5: Solve for x
    x = 617,457,257,096.59/862,672.83
  6. Step 6: Final answer
    x = 715,749.05

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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.