Home / 1,284,647.74-1,772,670.85-711,544.39

Finding the Fourth Proportional to 1,284,647.74, 1,772,670.85 and 711,544.39

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Solution

The fourth proportional to 1,284,647.74, 1,772,670.85 and 711,544.39 is: 981,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,647.74 : 1,772,670.85 = 711,544.39 : x
  2. Step 2: Convert to fraction form
    1,284,647.74/1,772,670.85 = 711,544.39/x
  3. Step 3: Cross multiply
    1,284,647.74x = 1,772,670.85 × 711,544.39
  4. Step 4: Simplify right side
    1,284,647.74x = 1,261,333,986,212.96
  5. Step 5: Solve for x
    x = 1,261,333,986,212.96/1,284,647.74
  6. Step 6: Final answer
    x = 981,852.03

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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.