Home / 1,115,604.78-1,539,526.14-606,310.80

Finding the Fourth Proportional to 1,115,604.78, 1,539,526.14 and 606,310.80

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Solution

The fourth proportional to 1,115,604.78, 1,539,526.14 and 606,310.80 is: 836,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,604.78 : 1,539,526.14 = 606,310.80 : x
  2. Step 2: Convert to fraction form
    1,115,604.78/1,539,526.14 = 606,310.80/x
  3. Step 3: Cross multiply
    1,115,604.78x = 1,539,526.14 × 606,310.80
  4. Step 4: Simplify right side
    1,115,604.78x = 933,431,325,564.31
  5. Step 5: Solve for x
    x = 933,431,325,564.31/1,115,604.78
  6. Step 6: Final answer
    x = 836,704.31

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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.