Home / 419,114.07-578,389.79-296,825.24

Finding the Fourth Proportional to 419,114.07, 578,389.79 and 296,825.24

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Solution

The fourth proportional to 419,114.07, 578,389.79 and 296,825.24 is: 409,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,114.07 : 578,389.79 = 296,825.24 : x
  2. Step 2: Convert to fraction form
    419,114.07/578,389.79 = 296,825.24/x
  3. Step 3: Cross multiply
    419,114.07x = 578,389.79 × 296,825.24
  4. Step 4: Simplify right side
    419,114.07x = 171,680,686,080.41
  5. Step 5: Solve for x
    x = 171,680,686,080.41/419,114.07
  6. Step 6: Final answer
    x = 409,627.59

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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.