Home / 541,460.89-811,788.79-328,176.45

Finding the Fourth Proportional to 541,460.89, 811,788.79 and 328,176.45

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Solution

The fourth proportional to 541,460.89, 811,788.79 and 328,176.45 is: 492,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,460.89 : 811,788.79 = 328,176.45 : x
  2. Step 2: Convert to fraction form
    541,460.89/811,788.79 = 328,176.45/x
  3. Step 3: Cross multiply
    541,460.89x = 811,788.79 × 328,176.45
  4. Step 4: Simplify right side
    541,460.89x = 266,409,963,252.00
  5. Step 5: Solve for x
    x = 266,409,963,252.00/541,460.89
  6. Step 6: Final answer
    x = 492,020.69

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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.