Home / 412,729.40-569,600.16-242,996.60

Finding the Fourth Proportional to 412,729.40, 569,600.16 and 242,996.60

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Solution

The fourth proportional to 412,729.40, 569,600.16 and 242,996.60 is: 335,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,729.40 : 569,600.16 = 242,996.60 : x
  2. Step 2: Convert to fraction form
    412,729.40/569,600.16 = 242,996.60/x
  3. Step 3: Cross multiply
    412,729.40x = 569,600.16 × 242,996.60
  4. Step 4: Simplify right side
    412,729.40x = 138,410,902,239.46
  5. Step 5: Solve for x
    x = 138,410,902,239.46/412,729.40
  6. Step 6: Final answer
    x = 335,355.08

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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.