Home / 1,228,847.36-1,695,866.83-684,987.03

Finding the Fourth Proportional to 1,228,847.36, 1,695,866.83 and 684,987.03

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Solution

The fourth proportional to 1,228,847.36, 1,695,866.83 and 684,987.03 is: 945,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,847.36 : 1,695,866.83 = 684,987.03 : x
  2. Step 2: Convert to fraction form
    1,228,847.36/1,695,866.83 = 684,987.03/x
  3. Step 3: Cross multiply
    1,228,847.36x = 1,695,866.83 × 684,987.03
  4. Step 4: Simplify right side
    1,228,847.36x = 1,161,646,781,444.75
  5. Step 5: Solve for x
    x = 1,161,646,781,444.75/1,228,847.36
  6. Step 6: Final answer
    x = 945,314.14

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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.