Home / 757,155.60-1,135,487.70-251,580.83

Finding the Fourth Proportional to 757,155.60, 1,135,487.70 and 251,580.83

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Solution

The fourth proportional to 757,155.60, 1,135,487.70 and 251,580.83 is: 377,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,155.60 : 1,135,487.70 = 251,580.83 : x
  2. Step 2: Convert to fraction form
    757,155.60/1,135,487.70 = 251,580.83/x
  3. Step 3: Cross multiply
    757,155.60x = 1,135,487.70 × 251,580.83
  4. Step 4: Simplify right side
    757,155.60x = 285,666,932,343.35
  5. Step 5: Solve for x
    x = 285,666,932,343.35/757,155.60
  6. Step 6: Final answer
    x = 377,289.60

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1.5x scale

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.