Home / 1,717,769.40-2,576,945.70-519,682.20

Finding the Fourth Proportional to 1,717,769.40, 2,576,945.70 and 519,682.20

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Solution

The fourth proportional to 1,717,769.40, 2,576,945.70 and 519,682.20 is: 779,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,769.40 : 2,576,945.70 = 519,682.20 : x
  2. Step 2: Convert to fraction form
    1,717,769.40/2,576,945.70 = 519,682.20/x
  3. Step 3: Cross multiply
    1,717,769.40x = 2,576,945.70 × 519,682.20
  4. Step 4: Simplify right side
    1,717,769.40x = 1,339,192,810,656.54
  5. Step 5: Solve for x
    x = 1,339,192,810,656.54/1,717,769.40
  6. Step 6: Final answer
    x = 779,611.52

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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.