Home / 943,615.80-1,413,350.10-838,553.40

Finding the Fourth Proportional to 943,615.80, 1,413,350.10 and 838,553.40

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Solution

The fourth proportional to 943,615.80, 1,413,350.10 and 838,553.40 is: 1,255,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,615.80 : 1,413,350.10 = 838,553.40 : x
  2. Step 2: Convert to fraction form
    943,615.80/1,413,350.10 = 838,553.40/x
  3. Step 3: Cross multiply
    943,615.80x = 1,413,350.10 × 838,553.40
  4. Step 4: Simplify right side
    943,615.80x = 1,185,169,531,745.34
  5. Step 5: Solve for x
    x = 1,185,169,531,745.34/943,615.80
  6. Step 6: Final answer
    x = 1,255,987.38

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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.