Home / 1,284,418.42-1,772,555.76-711,458.52

Finding the Fourth Proportional to 1,284,418.42, 1,772,555.76 and 711,458.52

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Solution

The fourth proportional to 1,284,418.42, 1,772,555.76 and 711,458.52 is: 981,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,418.42 : 1,772,555.76 = 711,458.52 : x
  2. Step 2: Convert to fraction form
    1,284,418.42/1,772,555.76 = 711,458.52/x
  3. Step 3: Cross multiply
    1,284,418.42x = 1,772,555.76 × 711,458.52
  4. Step 4: Simplify right side
    1,284,418.42x = 1,261,099,897,627.08
  5. Step 5: Solve for x
    x = 1,261,099,897,627.08/1,284,418.42
  6. Step 6: Final answer
    x = 981,845.07

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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.