Home / 373,597.20-515,565-212,448.24

Finding the Fourth Proportional to 373,597.20, 515,565 and 212,448.24

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Solution

The fourth proportional to 373,597.20, 515,565 and 212,448.24 is: 293,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,597.20 : 515,565 = 212,448.24 : x
  2. Step 2: Convert to fraction form
    373,597.20/515,565 = 212,448.24/x
  3. Step 3: Cross multiply
    373,597.20x = 515,565 × 212,448.24
  4. Step 4: Simplify right side
    373,597.20x = 109,530,876,855.60
  5. Step 5: Solve for x
    x = 109,530,876,855.60/373,597.20
  6. Step 6: Final answer
    x = 293,179.06

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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.