Home / 539,112.21-743,972.76-297,409.83

Finding the Fourth Proportional to 539,112.21, 743,972.76 and 297,409.83

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Solution

The fourth proportional to 539,112.21, 743,972.76 and 297,409.83 is: 410,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,112.21 : 743,972.76 = 297,409.83 : x
  2. Step 2: Convert to fraction form
    539,112.21/743,972.76 = 297,409.83/x
  3. Step 3: Cross multiply
    539,112.21x = 743,972.76 × 297,409.83
  4. Step 4: Simplify right side
    539,112.21x = 221,264,812,076.23
  5. Step 5: Solve for x
    x = 221,264,812,076.23/539,112.21
  6. Step 6: Final answer
    x = 410,424.41

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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.