Home / 1,729,146.48-2,386,212.91-1,004,172.31

Finding the Fourth Proportional to 1,729,146.48, 2,386,212.91 and 1,004,172.31

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Solution

The fourth proportional to 1,729,146.48, 2,386,212.91 and 1,004,172.31 is: 1,385,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,146.48 : 2,386,212.91 = 1,004,172.31 : x
  2. Step 2: Convert to fraction form
    1,729,146.48/2,386,212.91 = 1,004,172.31/x
  3. Step 3: Cross multiply
    1,729,146.48x = 2,386,212.91 × 1,004,172.31
  4. Step 4: Simplify right side
    1,729,146.48x = 2,396,168,929,986.52
  5. Step 5: Solve for x
    x = 2,396,168,929,986.52/1,729,146.48
  6. Step 6: Final answer
    x = 1,385,752.43

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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.