Home / 1,213,851.75-1,820,865.11-465,897.75

Finding the Fourth Proportional to 1,213,851.75, 1,820,865.11 and 465,897.75

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Solution

The fourth proportional to 1,213,851.75, 1,820,865.11 and 465,897.75 is: 698,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,851.75 : 1,820,865.11 = 465,897.75 : x
  2. Step 2: Convert to fraction form
    1,213,851.75/1,820,865.11 = 465,897.75/x
  3. Step 3: Cross multiply
    1,213,851.75x = 1,820,865.11 × 465,897.75
  4. Step 4: Simplify right side
    1,213,851.75x = 848,336,955,473.01
  5. Step 5: Solve for x
    x = 848,336,955,473.01/1,213,851.75
  6. Step 6: Final answer
    x = 698,880.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.