Home / 1,673,121.44-2,308,941.71-909,224.21

Finding the Fourth Proportional to 1,673,121.44, 2,308,941.71 and 909,224.21

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Solution

The fourth proportional to 1,673,121.44, 2,308,941.71 and 909,224.21 is: 1,254,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,121.44 : 2,308,941.71 = 909,224.21 : x
  2. Step 2: Convert to fraction form
    1,673,121.44/2,308,941.71 = 909,224.21/x
  3. Step 3: Cross multiply
    1,673,121.44x = 2,308,941.71 × 909,224.21
  4. Step 4: Simplify right side
    1,673,121.44x = 2,099,345,702,210.80
  5. Step 5: Solve for x
    x = 2,099,345,702,210.80/1,673,121.44
  6. Step 6: Final answer
    x = 1,254,747.95

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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.