Home / 1,370,445.16-1,891,930.62-854,356.36

Finding the Fourth Proportional to 1,370,445.16, 1,891,930.62 and 854,356.36

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Solution

The fourth proportional to 1,370,445.16, 1,891,930.62 and 854,356.36 is: 1,179,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,445.16 : 1,891,930.62 = 854,356.36 : x
  2. Step 2: Convert to fraction form
    1,370,445.16/1,891,930.62 = 854,356.36/x
  3. Step 3: Cross multiply
    1,370,445.16x = 1,891,930.62 × 854,356.36
  4. Step 4: Simplify right side
    1,370,445.16x = 1,616,382,957,875.74
  5. Step 5: Solve for x
    x = 1,616,382,957,875.74/1,370,445.16
  6. Step 6: Final answer
    x = 1,179,458.33

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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.