Home / 412,869.12-619,273.60-185,235.22

Finding the Fourth Proportional to 412,869.12, 619,273.60 and 185,235.22

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Solution

The fourth proportional to 412,869.12, 619,273.60 and 185,235.22 is: 277,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,869.12 : 619,273.60 = 185,235.22 : x
  2. Step 2: Convert to fraction form
    412,869.12/619,273.60 = 185,235.22/x
  3. Step 3: Cross multiply
    412,869.12x = 619,273.60 × 185,235.22
  4. Step 4: Simplify right side
    412,869.12x = 114,711,282,889.14
  5. Step 5: Solve for x
    x = 114,711,282,889.14/412,869.12
  6. Step 6: Final answer
    x = 277,839.34

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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.