Home / 1,230,930.69-1,847,203.38-432,191.67

Finding the Fourth Proportional to 1,230,930.69, 1,847,203.38 and 432,191.67

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Solution

The fourth proportional to 1,230,930.69, 1,847,203.38 and 432,191.67 is: 648,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,930.69 : 1,847,203.38 = 432,191.67 : x
  2. Step 2: Convert to fraction form
    1,230,930.69/1,847,203.38 = 432,191.67/x
  3. Step 3: Cross multiply
    1,230,930.69x = 1,847,203.38 × 432,191.67
  4. Step 4: Simplify right side
    1,230,930.69x = 798,345,913,631.85
  5. Step 5: Solve for x
    x = 798,345,913,631.85/1,230,930.69
  6. Step 6: Final answer
    x = 648,570.97

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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.