Home / 1,236,116.62-1,705,801.05-684,809.63

Finding the Fourth Proportional to 1,236,116.62, 1,705,801.05 and 684,809.63

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Solution

The fourth proportional to 1,236,116.62, 1,705,801.05 and 684,809.63 is: 945,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,116.62 : 1,705,801.05 = 684,809.63 : x
  2. Step 2: Convert to fraction form
    1,236,116.62/1,705,801.05 = 684,809.63/x
  3. Step 3: Cross multiply
    1,236,116.62x = 1,705,801.05 × 684,809.63
  4. Step 4: Simplify right side
    1,236,116.62x = 1,168,148,986,479.02
  5. Step 5: Solve for x
    x = 1,168,148,986,479.02/1,236,116.62
  6. Step 6: Final answer
    x = 945,015.19

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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.