Home / 539,119.20-743,989.68-297,411.96

Finding the Fourth Proportional to 539,119.20, 743,989.68 and 297,411.96

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Solution

The fourth proportional to 539,119.20, 743,989.68 and 297,411.96 is: 410,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,119.20 : 743,989.68 = 297,411.96 : x
  2. Step 2: Convert to fraction form
    539,119.20/743,989.68 = 297,411.96/x
  3. Step 3: Cross multiply
    539,119.20x = 743,989.68 × 297,411.96
  4. Step 4: Simplify right side
    539,119.20x = 221,271,428,948.57
  5. Step 5: Solve for x
    x = 221,271,428,948.57/539,119.20
  6. Step 6: Final answer
    x = 410,431.36

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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.