Home / 1,284,166.58-1,772,128.14-711,194.46

Finding the Fourth Proportional to 1,284,166.58, 1,772,128.14 and 711,194.46

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Solution

The fourth proportional to 1,284,166.58, 1,772,128.14 and 711,194.46 is: 981,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,166.58 : 1,772,128.14 = 711,194.46 : x
  2. Step 2: Convert to fraction form
    1,284,166.58/1,772,128.14 = 711,194.46/x
  3. Step 3: Cross multiply
    1,284,166.58x = 1,772,128.14 × 711,194.46
  4. Step 4: Simplify right side
    1,284,166.58x = 1,260,327,715,578.10
  5. Step 5: Solve for x
    x = 1,260,327,715,578.10/1,284,166.58
  6. Step 6: Final answer
    x = 981,436.31

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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.