Home / 1,228,674.59-1,695,578.81-684,844.91

Finding the Fourth Proportional to 1,228,674.59, 1,695,578.81 and 684,844.91

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Solution

The fourth proportional to 1,228,674.59, 1,695,578.81 and 684,844.91 is: 945,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,674.59 : 1,695,578.81 = 684,844.91 : x
  2. Step 2: Convert to fraction form
    1,228,674.59/1,695,578.81 = 684,844.91/x
  3. Step 3: Cross multiply
    1,228,674.59x = 1,695,578.81 × 684,844.91
  4. Step 4: Simplify right side
    1,228,674.59x = 1,161,208,517,532.36
  5. Step 5: Solve for x
    x = 1,161,208,517,532.36/1,228,674.59
  6. Step 6: Final answer
    x = 945,090.37

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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.