Home / 1,978,184.90-2,967,244.94-630,329.34

Finding the Fourth Proportional to 1,978,184.90, 2,967,244.94 and 630,329.34

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Solution

The fourth proportional to 1,978,184.90, 2,967,244.94 and 630,329.34 is: 945,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,184.90 : 2,967,244.94 = 630,329.34 : x
  2. Step 2: Convert to fraction form
    1,978,184.90/2,967,244.94 = 630,329.34/x
  3. Step 3: Cross multiply
    1,978,184.90x = 2,967,244.94 × 630,329.34
  4. Step 4: Simplify right side
    1,978,184.90x = 1,870,341,544,648.54
  5. Step 5: Solve for x
    x = 1,870,341,544,648.54/1,978,184.90
  6. Step 6: Final answer
    x = 945,483.68

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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.