Home / 1,505,556.40-2,077,669.83-817,227.81

Finding the Fourth Proportional to 1,505,556.40, 2,077,669.83 and 817,227.81

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Solution

The fourth proportional to 1,505,556.40, 2,077,669.83 and 817,227.81 is: 1,127,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,556.40 : 2,077,669.83 = 817,227.81 : x
  2. Step 2: Convert to fraction form
    1,505,556.40/2,077,669.83 = 817,227.81/x
  3. Step 3: Cross multiply
    1,505,556.40x = 2,077,669.83 × 817,227.81
  4. Step 4: Simplify right side
    1,505,556.40x = 1,697,929,560,987.83
  5. Step 5: Solve for x
    x = 1,697,929,560,987.83/1,505,556.40
  6. Step 6: Final answer
    x = 1,127,775.46

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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.