Home / 825,492.36-1,138,696.80-519,083.80

Finding the Fourth Proportional to 825,492.36, 1,138,696.80 and 519,083.80

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Solution

The fourth proportional to 825,492.36, 1,138,696.80 and 519,083.80 is: 716,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,492.36 : 1,138,696.80 = 519,083.80 : x
  2. Step 2: Convert to fraction form
    825,492.36/1,138,696.80 = 519,083.80/x
  3. Step 3: Cross multiply
    825,492.36x = 1,138,696.80 × 519,083.80
  4. Step 4: Simplify right side
    825,492.36x = 591,079,061,991.84
  5. Step 5: Solve for x
    x = 591,079,061,991.84/825,492.36
  6. Step 6: Final answer
    x = 716,032.14

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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.