Home / 676,420.71-1,014,606.47-203,093.78

Finding the Fourth Proportional to 676,420.71, 1,014,606.47 and 203,093.78

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Solution

The fourth proportional to 676,420.71, 1,014,606.47 and 203,093.78 is: 304,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,420.71 : 1,014,606.47 = 203,093.78 : x
  2. Step 2: Convert to fraction form
    676,420.71/1,014,606.47 = 203,093.78/x
  3. Step 3: Cross multiply
    676,420.71x = 1,014,606.47 × 203,093.78
  4. Step 4: Simplify right side
    676,420.71x = 206,060,257,116.26
  5. Step 5: Solve for x
    x = 206,060,257,116.26/676,420.71
  6. Step 6: Final answer
    x = 304,633.28

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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.