Home / 1,299,858.53-1,793,200.29-841,121.36

Finding the Fourth Proportional to 1,299,858.53, 1,793,200.29 and 841,121.36

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Solution

The fourth proportional to 1,299,858.53, 1,793,200.29 and 841,121.36 is: 1,160,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,858.53 : 1,793,200.29 = 841,121.36 : x
  2. Step 2: Convert to fraction form
    1,299,858.53/1,793,200.29 = 841,121.36/x
  3. Step 3: Cross multiply
    1,299,858.53x = 1,793,200.29 × 841,121.36
  4. Step 4: Simplify right side
    1,299,858.53x = 1,508,299,054,556.99
  5. Step 5: Solve for x
    x = 1,508,299,054,556.99/1,299,858.53
  6. Step 6: Final answer
    x = 1,160,356.31

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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.