Home / 539,068.20-743,919.30-297,360.96

Finding the Fourth Proportional to 539,068.20, 743,919.30 and 297,360.96

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Solution

The fourth proportional to 539,068.20, 743,919.30 and 297,360.96 is: 410,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,068.20 : 743,919.30 = 297,360.96 : x
  2. Step 2: Convert to fraction form
    539,068.20/743,919.30 = 297,360.96/x
  3. Step 3: Cross multiply
    539,068.20x = 743,919.30 × 297,360.96
  4. Step 4: Simplify right side
    539,068.20x = 221,212,557,210.53
  5. Step 5: Solve for x
    x = 221,212,557,210.53/539,068.20
  6. Step 6: Final answer
    x = 410,360.98

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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.