Home / 1,164,873.35-1,608,021.25-783,121.57

Finding the Fourth Proportional to 1,164,873.35, 1,608,021.25 and 783,121.57

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Solution

The fourth proportional to 1,164,873.35, 1,608,021.25 and 783,121.57 is: 1,081,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,873.35 : 1,608,021.25 = 783,121.57 : x
  2. Step 2: Convert to fraction form
    1,164,873.35/1,608,021.25 = 783,121.57/x
  3. Step 3: Cross multiply
    1,164,873.35x = 1,608,021.25 × 783,121.57
  4. Step 4: Simplify right side
    1,164,873.35x = 1,259,276,119,915.51
  5. Step 5: Solve for x
    x = 1,259,276,119,915.51/1,164,873.35
  6. Step 6: Final answer
    x = 1,081,041.23

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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.