Home / 702,150.60-1,052,383.32-402,837.78

Finding the Fourth Proportional to 702,150.60, 1,052,383.32 and 402,837.78

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Solution

The fourth proportional to 702,150.60, 1,052,383.32 and 402,837.78 is: 603,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,150.60 : 1,052,383.32 = 402,837.78 : x
  2. Step 2: Convert to fraction form
    702,150.60/1,052,383.32 = 402,837.78/x
  3. Step 3: Cross multiply
    702,150.60x = 1,052,383.32 × 402,837.78
  4. Step 4: Simplify right side
    702,150.60x = 423,939,760,337.83
  5. Step 5: Solve for x
    x = 423,939,760,337.83/702,150.60
  6. Step 6: Final answer
    x = 603,773.27

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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.