Home / 1,550,631.86-2,325,945.97-485,756.86

Finding the Fourth Proportional to 1,550,631.86, 2,325,945.97 and 485,756.86

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Solution

The fourth proportional to 1,550,631.86, 2,325,945.97 and 485,756.86 is: 728,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,631.86 : 2,325,945.97 = 485,756.86 : x
  2. Step 2: Convert to fraction form
    1,550,631.86/2,325,945.97 = 485,756.86/x
  3. Step 3: Cross multiply
    1,550,631.86x = 2,325,945.97 × 485,756.86
  4. Step 4: Simplify right side
    1,550,631.86x = 1,129,844,210,916.85
  5. Step 5: Solve for x
    x = 1,129,844,210,916.85/1,550,631.86
  6. Step 6: Final answer
    x = 728,634.72

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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.