Home / 439,069.09-605,693.42-293,880.94

Finding the Fourth Proportional to 439,069.09, 605,693.42 and 293,880.94

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Solution

The fourth proportional to 439,069.09, 605,693.42 and 293,880.94 is: 405,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,069.09 : 605,693.42 = 293,880.94 : x
  2. Step 2: Convert to fraction form
    439,069.09/605,693.42 = 293,880.94/x
  3. Step 3: Cross multiply
    439,069.09x = 605,693.42 × 293,880.94
  4. Step 4: Simplify right side
    439,069.09x = 178,001,748,592.95
  5. Step 5: Solve for x
    x = 178,001,748,592.95/439,069.09
  6. Step 6: Final answer
    x = 405,407.15

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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.