Home / 456,116.81-629,541.11-265,240.31

Finding the Fourth Proportional to 456,116.81, 629,541.11 and 265,240.31

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Solution

The fourth proportional to 456,116.81, 629,541.11 and 265,240.31 is: 366,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,116.81 : 629,541.11 = 265,240.31 : x
  2. Step 2: Convert to fraction form
    456,116.81/629,541.11 = 265,240.31/x
  3. Step 3: Cross multiply
    456,116.81x = 629,541.11 × 265,240.31
  4. Step 4: Simplify right side
    456,116.81x = 166,979,676,689.54
  5. Step 5: Solve for x
    x = 166,979,676,689.54/456,116.81
  6. Step 6: Final answer
    x = 366,089.73

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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.