Home / 468,765.69-646,896.83-253,905.09

Finding the Fourth Proportional to 468,765.69, 646,896.83 and 253,905.09

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Solution

The fourth proportional to 468,765.69, 646,896.83 and 253,905.09 is: 350,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,765.69 : 646,896.83 = 253,905.09 : x
  2. Step 2: Convert to fraction form
    468,765.69/646,896.83 = 253,905.09/x
  3. Step 3: Cross multiply
    468,765.69x = 646,896.83 × 253,905.09
  4. Step 4: Simplify right side
    468,765.69x = 164,250,395,574.69
  5. Step 5: Solve for x
    x = 164,250,395,574.69/468,765.69
  6. Step 6: Final answer
    x = 350,389.12

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1.5x scale

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.