Home / 854,025-1,178,556.42-514,507.56

Finding the Fourth Proportional to 854,025, 1,178,556.42 and 514,507.56

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Solution

The fourth proportional to 854,025, 1,178,556.42 and 514,507.56 is: 710,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,025 : 1,178,556.42 = 514,507.56 : x
  2. Step 2: Convert to fraction form
    854,025/1,178,556.42 = 514,507.56/x
  3. Step 3: Cross multiply
    854,025x = 1,178,556.42 × 514,507.56
  4. Step 4: Simplify right side
    854,025x = 606,376,187,976.54
  5. Step 5: Solve for x
    x = 606,376,187,976.54/854,025
  6. Step 6: Final answer
    x = 710,021.59

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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.