Home / 1,656,321.39-2,285,709.76-931,172.33

Finding the Fourth Proportional to 1,656,321.39, 2,285,709.76 and 931,172.33

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Solution

The fourth proportional to 1,656,321.39, 2,285,709.76 and 931,172.33 is: 1,285,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,321.39 : 2,285,709.76 = 931,172.33 : x
  2. Step 2: Convert to fraction form
    1,656,321.39/2,285,709.76 = 931,172.33/x
  3. Step 3: Cross multiply
    1,656,321.39x = 2,285,709.76 × 931,172.33
  4. Step 4: Simplify right side
    1,656,321.39x = 2,128,389,682,922.94
  5. Step 5: Solve for x
    x = 2,128,389,682,922.94/1,656,321.39
  6. Step 6: Final answer
    x = 1,285,010.08

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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.