Home / 1,296,124.35-1,944,186.53-1,086,172.35

Finding the Fourth Proportional to 1,296,124.35, 1,944,186.53 and 1,086,172.35

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Solution

The fourth proportional to 1,296,124.35, 1,944,186.53 and 1,086,172.35 is: 1,629,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,124.35 : 1,944,186.53 = 1,086,172.35 : x
  2. Step 2: Convert to fraction form
    1,296,124.35/1,944,186.53 = 1,086,172.35/x
  3. Step 3: Cross multiply
    1,296,124.35x = 1,944,186.53 × 1,086,172.35
  4. Step 4: Simplify right side
    1,296,124.35x = 2,111,721,646,697.58
  5. Step 5: Solve for x
    x = 2,111,721,646,697.58/1,296,124.35
  6. Step 6: Final answer
    x = 1,629,258.53

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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.