Home / 1,395,111.09-1,925,127.75-814,384.62

Finding the Fourth Proportional to 1,395,111.09, 1,925,127.75 and 814,384.62

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Solution

The fourth proportional to 1,395,111.09, 1,925,127.75 and 814,384.62 is: 1,123,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,111.09 : 1,925,127.75 = 814,384.62 : x
  2. Step 2: Convert to fraction form
    1,395,111.09/1,925,127.75 = 814,384.62/x
  3. Step 3: Cross multiply
    1,395,111.09x = 1,925,127.75 × 814,384.62
  4. Step 4: Simplify right side
    1,395,111.09x = 1,567,794,431,135.21
  5. Step 5: Solve for x
    x = 1,567,794,431,135.21/1,395,111.09
  6. Step 6: Final answer
    x = 1,123,777.48

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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.