Home / 412,837.60-619,256.40-163,519.60

Finding the Fourth Proportional to 412,837.60, 619,256.40 and 163,519.60

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Solution

The fourth proportional to 412,837.60, 619,256.40 and 163,519.60 is: 245,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,837.60 : 619,256.40 = 163,519.60 : x
  2. Step 2: Convert to fraction form
    412,837.60/619,256.40 = 163,519.60/x
  3. Step 3: Cross multiply
    412,837.60x = 619,256.40 × 163,519.60
  4. Step 4: Simplify right side
    412,837.60x = 101,260,558,825.44
  5. Step 5: Solve for x
    x = 101,260,558,825.44/412,837.60
  6. Step 6: Final answer
    x = 245,279.40

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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.