Home / 1,284,410.97-1,772,527.14-711,504.45

Finding the Fourth Proportional to 1,284,410.97, 1,772,527.14 and 711,504.45

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Solution

The fourth proportional to 1,284,410.97, 1,772,527.14 and 711,504.45 is: 981,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,410.97 : 1,772,527.14 = 711,504.45 : x
  2. Step 2: Convert to fraction form
    1,284,410.97/1,772,527.14 = 711,504.45/x
  3. Step 3: Cross multiply
    1,284,410.97x = 1,772,527.14 × 711,504.45
  4. Step 4: Simplify right side
    1,284,410.97x = 1,261,160,947,855.77
  5. Step 5: Solve for x
    x = 1,261,160,947,855.77/1,284,410.97
  6. Step 6: Final answer
    x = 981,898.30

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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.