Home / 1,395,407.16-1,925,112.33-806,317.37

Finding the Fourth Proportional to 1,395,407.16, 1,925,112.33 and 806,317.37

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Solution

The fourth proportional to 1,395,407.16, 1,925,112.33 and 806,317.37 is: 1,112,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,407.16 : 1,925,112.33 = 806,317.37 : x
  2. Step 2: Convert to fraction form
    1,395,407.16/1,925,112.33 = 806,317.37/x
  3. Step 3: Cross multiply
    1,395,407.16x = 1,925,112.33 × 806,317.37
  4. Step 4: Simplify right side
    1,395,407.16x = 1,552,251,510,880.17
  5. Step 5: Solve for x
    x = 1,552,251,510,880.17/1,395,407.16
  6. Step 6: Final answer
    x = 1,112,400.42

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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.