Home / 373,606.20-515,577.42-212,457.24

Finding the Fourth Proportional to 373,606.20, 515,577.42 and 212,457.24

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Solution

The fourth proportional to 373,606.20, 515,577.42 and 212,457.24 is: 293,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,606.20 : 515,577.42 = 212,457.24 : x
  2. Step 2: Convert to fraction form
    373,606.20/515,577.42 = 212,457.24/x
  3. Step 3: Cross multiply
    373,606.20x = 515,577.42 × 212,457.24
  4. Step 4: Simplify right side
    373,606.20x = 109,538,155,659.52
  5. Step 5: Solve for x
    x = 109,538,155,659.52/373,606.20
  6. Step 6: Final answer
    x = 293,191.48

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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.