Home / 1,857,330.32-2,785,999.84-509,512.48

Finding the Fourth Proportional to 1,857,330.32, 2,785,999.84 and 509,512.48

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Solution

The fourth proportional to 1,857,330.32, 2,785,999.84 and 509,512.48 is: 764,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,330.32 : 2,785,999.84 = 509,512.48 : x
  2. Step 2: Convert to fraction form
    1,857,330.32/2,785,999.84 = 509,512.48/x
  3. Step 3: Cross multiply
    1,857,330.32x = 2,785,999.84 × 509,512.48
  4. Step 4: Simplify right side
    1,857,330.32x = 1,419,501,687,758.00
  5. Step 5: Solve for x
    x = 1,419,501,687,758.00/1,857,330.32
  6. Step 6: Final answer
    x = 764,269.92

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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.