Home / 763,647.94-1,053,772.50-441,378.91

Finding the Fourth Proportional to 763,647.94, 1,053,772.50 and 441,378.91

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Solution

The fourth proportional to 763,647.94, 1,053,772.50 and 441,378.91 is: 609,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,647.94 : 1,053,772.50 = 441,378.91 : x
  2. Step 2: Convert to fraction form
    763,647.94/1,053,772.50 = 441,378.91/x
  3. Step 3: Cross multiply
    763,647.94x = 1,053,772.50 × 441,378.91
  4. Step 4: Simplify right side
    763,647.94x = 465,112,957,437.98
  5. Step 5: Solve for x
    x = 465,112,957,437.98/763,647.94
  6. Step 6: Final answer
    x = 609,067.26

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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.