Home / 1,164,889.93-1,608,044.15-783,138.13

Finding the Fourth Proportional to 1,164,889.93, 1,608,044.15 and 783,138.13

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Solution

The fourth proportional to 1,164,889.93, 1,608,044.15 and 783,138.13 is: 1,081,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,889.93 : 1,608,044.15 = 783,138.13 : x
  2. Step 2: Convert to fraction form
    1,164,889.93/1,608,044.15 = 783,138.13/x
  3. Step 3: Cross multiply
    1,164,889.93x = 1,608,044.15 × 783,138.13
  4. Step 4: Simplify right side
    1,164,889.93x = 1,259,320,684,672.75
  5. Step 5: Solve for x
    x = 1,259,320,684,672.75/1,164,889.93
  6. Step 6: Final answer
    x = 1,081,064.10

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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.