Home / 369,479.07-509,880.69-199,713.33

Finding the Fourth Proportional to 369,479.07, 509,880.69 and 199,713.33

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Solution

The fourth proportional to 369,479.07, 509,880.69 and 199,713.33 is: 275,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,479.07 : 509,880.69 = 199,713.33 : x
  2. Step 2: Convert to fraction form
    369,479.07/509,880.69 = 199,713.33/x
  3. Step 3: Cross multiply
    369,479.07x = 509,880.69 × 199,713.33
  4. Step 4: Simplify right side
    369,479.07x = 101,829,970,502.60
  5. Step 5: Solve for x
    x = 101,829,970,502.60/369,479.07
  6. Step 6: Final answer
    x = 275,604.16

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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.