Home / 1,164,867.35-1,608,012.95-783,115.56

Finding the Fourth Proportional to 1,164,867.35, 1,608,012.95 and 783,115.56

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Solution

The fourth proportional to 1,164,867.35, 1,608,012.95 and 783,115.56 is: 1,081,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,867.35 : 1,608,012.95 = 783,115.56 : x
  2. Step 2: Convert to fraction form
    1,164,867.35/1,608,012.95 = 783,115.56/x
  3. Step 3: Cross multiply
    1,164,867.35x = 1,608,012.95 × 783,115.56
  4. Step 4: Simplify right side
    1,164,867.35x = 1,259,259,961,826.50
  5. Step 5: Solve for x
    x = 1,259,259,961,826.50/1,164,867.35
  6. Step 6: Final answer
    x = 1,081,032.93

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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.