Home / 603,128.09-832,383.23-345,028.83

Finding the Fourth Proportional to 603,128.09, 832,383.23 and 345,028.83

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Solution

The fourth proportional to 603,128.09, 832,383.23 and 345,028.83 is: 476,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,128.09 : 832,383.23 = 345,028.83 : x
  2. Step 2: Convert to fraction form
    603,128.09/832,383.23 = 345,028.83/x
  3. Step 3: Cross multiply
    603,128.09x = 832,383.23 × 345,028.83
  4. Step 4: Simplify right side
    603,128.09x = 287,196,210,233.38
  5. Step 5: Solve for x
    x = 287,196,210,233.38/603,128.09
  6. Step 6: Final answer
    x = 476,177.81

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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.