Home / 774,400.50-1,159,113.24-413,669.43

Finding the Fourth Proportional to 774,400.50, 1,159,113.24 and 413,669.43

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Solution

The fourth proportional to 774,400.50, 1,159,113.24 and 413,669.43 is: 619,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,400.50 : 1,159,113.24 = 413,669.43 : x
  2. Step 2: Convert to fraction form
    774,400.50/1,159,113.24 = 413,669.43/x
  3. Step 3: Cross multiply
    774,400.50x = 1,159,113.24 × 413,669.43
  4. Step 4: Simplify right side
    774,400.50x = 479,489,713,296.25
  5. Step 5: Solve for x
    x = 479,489,713,296.25/774,400.50
  6. Step 6: Final answer
    x = 619,175.37

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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.