Home / 1,368,360.23-1,888,023.23-816,968.51

Finding the Fourth Proportional to 1,368,360.23, 1,888,023.23 and 816,968.51

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Solution

The fourth proportional to 1,368,360.23, 1,888,023.23 and 816,968.51 is: 1,127,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,360.23 : 1,888,023.23 = 816,968.51 : x
  2. Step 2: Convert to fraction form
    1,368,360.23/1,888,023.23 = 816,968.51/x
  3. Step 3: Cross multiply
    1,368,360.23x = 1,888,023.23 × 816,968.51
  4. Step 4: Simplify right side
    1,368,360.23x = 1,542,455,520,973.64
  5. Step 5: Solve for x
    x = 1,542,455,520,973.64/1,368,360.23
  6. Step 6: Final answer
    x = 1,127,229.14

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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.