Home / 539,110.71-743,970.69-297,408.33

Finding the Fourth Proportional to 539,110.71, 743,970.69 and 297,408.33

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Solution

The fourth proportional to 539,110.71, 743,970.69 and 297,408.33 is: 410,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,110.71 : 743,970.69 = 297,408.33 : x
  2. Step 2: Convert to fraction form
    539,110.71/743,970.69 = 297,408.33/x
  3. Step 3: Cross multiply
    539,110.71x = 743,970.69 × 297,408.33
  4. Step 4: Simplify right side
    539,110.71x = 221,263,080,481.85
  5. Step 5: Solve for x
    x = 221,263,080,481.85/539,110.71
  6. Step 6: Final answer
    x = 410,422.34

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1.5x scale

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.