Home / 465,816.12-642,828.78-264,619.32

Finding the Fourth Proportional to 465,816.12, 642,828.78 and 264,619.32

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Solution

The fourth proportional to 465,816.12, 642,828.78 and 264,619.32 is: 365,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,816.12 : 642,828.78 = 264,619.32 : x
  2. Step 2: Convert to fraction form
    465,816.12/642,828.78 = 264,619.32/x
  3. Step 3: Cross multiply
    465,816.12x = 642,828.78 × 264,619.32
  4. Step 4: Simplify right side
    465,816.12x = 170,104,914,640.03
  5. Step 5: Solve for x
    x = 170,104,914,640.03/465,816.12
  6. Step 6: Final answer
    x = 365,176.10

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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.