Home / 456,826.80-685,913.81-254,817.58

Finding the Fourth Proportional to 456,826.80, 685,913.81 and 254,817.58

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Solution

The fourth proportional to 456,826.80, 685,913.81 and 254,817.58 is: 382,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,826.80 : 685,913.81 = 254,817.58 : x
  2. Step 2: Convert to fraction form
    456,826.80/685,913.81 = 254,817.58/x
  3. Step 3: Cross multiply
    456,826.80x = 685,913.81 × 254,817.58
  4. Step 4: Simplify right side
    456,826.80x = 174,782,895,450.00
  5. Step 5: Solve for x
    x = 174,782,895,450.00/456,826.80
  6. Step 6: Final answer
    x = 382,602.11

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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.