Home / 943,843.94-1,415,219.15-644,686.03

Finding the Fourth Proportional to 943,843.94, 1,415,219.15 and 644,686.03

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Solution

The fourth proportional to 943,843.94, 1,415,219.15 and 644,686.03 is: 966,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,843.94 : 1,415,219.15 = 644,686.03 : x
  2. Step 2: Convert to fraction form
    943,843.94/1,415,219.15 = 644,686.03/x
  3. Step 3: Cross multiply
    943,843.94x = 1,415,219.15 × 644,686.03
  4. Step 4: Simplify right side
    943,843.94x = 912,372,013,467.14
  5. Step 5: Solve for x
    x = 912,372,013,467.14/943,843.94
  6. Step 6: Final answer
    x = 966,655.59

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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.