Home / 539,064.83-743,914.65-297,357.59

Finding the Fourth Proportional to 539,064.83, 743,914.65 and 297,357.59

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Solution

The fourth proportional to 539,064.83, 743,914.65 and 297,357.59 is: 410,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,064.83 : 743,914.65 = 297,357.59 : x
  2. Step 2: Convert to fraction form
    539,064.83/743,914.65 = 297,357.59/x
  3. Step 3: Cross multiply
    539,064.83x = 743,914.65 × 297,357.59
  4. Step 4: Simplify right side
    539,064.83x = 221,208,663,770.12
  5. Step 5: Solve for x
    x = 221,208,663,770.12/539,064.83
  6. Step 6: Final answer
    x = 410,356.33

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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.