Home / 539,128.89-743,965.97-297,411.93

Finding the Fourth Proportional to 539,128.89, 743,965.97 and 297,411.93

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Solution

The fourth proportional to 539,128.89, 743,965.97 and 297,411.93 is: 410,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,128.89 : 743,965.97 = 297,411.93 : x
  2. Step 2: Convert to fraction form
    539,128.89/743,965.97 = 297,411.93/x
  3. Step 3: Cross multiply
    539,128.89x = 743,965.97 × 297,411.93
  4. Step 4: Simplify right side
    539,128.89x = 221,264,353,504.96
  5. Step 5: Solve for x
    x = 221,264,353,504.96/539,128.89
  6. Step 6: Final answer
    x = 410,410.86

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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.