Home / 624,039.24-861,168.78-352,109.16

Finding the Fourth Proportional to 624,039.24, 861,168.78 and 352,109.16

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Solution

The fourth proportional to 624,039.24, 861,168.78 and 352,109.16 is: 485,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,039.24 : 861,168.78 = 352,109.16 : x
  2. Step 2: Convert to fraction form
    624,039.24/861,168.78 = 352,109.16/x
  3. Step 3: Cross multiply
    624,039.24x = 861,168.78 × 352,109.16
  4. Step 4: Simplify right side
    624,039.24x = 303,225,415,744.03
  5. Step 5: Solve for x
    x = 303,225,415,744.03/624,039.24
  6. Step 6: Final answer
    x = 485,907.61

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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.