Home / 1,639,067.36-2,458,010.54-692,511.90

Finding the Fourth Proportional to 1,639,067.36, 2,458,010.54 and 692,511.90

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Solution

The fourth proportional to 1,639,067.36, 2,458,010.54 and 692,511.90 is: 1,038,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,067.36 : 2,458,010.54 = 692,511.90 : x
  2. Step 2: Convert to fraction form
    1,639,067.36/2,458,010.54 = 692,511.90/x
  3. Step 3: Cross multiply
    1,639,067.36x = 2,458,010.54 × 692,511.90
  4. Step 4: Simplify right side
    1,639,067.36x = 1,702,201,549,275.43
  5. Step 5: Solve for x
    x = 1,702,201,549,275.43/1,639,067.36
  6. Step 6: Final answer
    x = 1,038,518.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.