Home / 1,227,367.09-1,693,719.34-683,525.80

Finding the Fourth Proportional to 1,227,367.09, 1,693,719.34 and 683,525.80

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Solution

The fourth proportional to 1,227,367.09, 1,693,719.34 and 683,525.80 is: 943,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,367.09 : 1,693,719.34 = 683,525.80 : x
  2. Step 2: Convert to fraction form
    1,227,367.09/1,693,719.34 = 683,525.80/x
  3. Step 3: Cross multiply
    1,227,367.09x = 1,693,719.34 × 683,525.80
  4. Step 4: Simplify right side
    1,227,367.09x = 1,157,700,866,848.97
  5. Step 5: Solve for x
    x = 1,157,700,866,848.97/1,227,367.09
  6. Step 6: Final answer
    x = 943,239.29

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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.