Home / 1,490,193-2,235,622.68-543,563.69

Finding the Fourth Proportional to 1,490,193, 2,235,622.68 and 543,563.69

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Solution

The fourth proportional to 1,490,193, 2,235,622.68 and 543,563.69 is: 815,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,193 : 2,235,622.68 = 543,563.69 : x
  2. Step 2: Convert to fraction form
    1,490,193/2,235,622.68 = 543,563.69/x
  3. Step 3: Cross multiply
    1,490,193x = 2,235,622.68 × 543,563.69
  4. Step 4: Simplify right side
    1,490,193x = 1,215,203,302,210.38
  5. Step 5: Solve for x
    x = 1,215,203,302,210.38/1,490,193
  6. Step 6: Final answer
    x = 815,467.06

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Double scale
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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.