Home / 541,389.81-811,627.89-341,269.07

Finding the Fourth Proportional to 541,389.81, 811,627.89 and 341,269.07

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Solution

The fourth proportional to 541,389.81, 811,627.89 and 341,269.07 is: 511,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,389.81 : 811,627.89 = 341,269.07 : x
  2. Step 2: Convert to fraction form
    541,389.81/811,627.89 = 341,269.07/x
  3. Step 3: Cross multiply
    541,389.81x = 811,627.89 × 341,269.07
  4. Step 4: Simplify right side
    541,389.81x = 276,983,491,148.22
  5. Step 5: Solve for x
    x = 276,983,491,148.22/541,389.81
  6. Step 6: Final answer
    x = 511,615.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.