Home / 539,065.83-743,916.03-297,358.59

Finding the Fourth Proportional to 539,065.83, 743,916.03 and 297,358.59

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Solution

The fourth proportional to 539,065.83, 743,916.03 and 297,358.59 is: 410,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,065.83 : 743,916.03 = 297,358.59 : x
  2. Step 2: Convert to fraction form
    539,065.83/743,916.03 = 297,358.59/x
  3. Step 3: Cross multiply
    539,065.83x = 743,916.03 × 297,358.59
  4. Step 4: Simplify right side
    539,065.83x = 221,209,821,759.20
  5. Step 5: Solve for x
    x = 221,209,821,759.20/539,065.83
  6. Step 6: Final answer
    x = 410,357.71

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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.