Home / 1,401,257.56-2,102,181.54-454,554.36

Finding the Fourth Proportional to 1,401,257.56, 2,102,181.54 and 454,554.36

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Solution

The fourth proportional to 1,401,257.56, 2,102,181.54 and 454,554.36 is: 681,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,257.56 : 2,102,181.54 = 454,554.36 : x
  2. Step 2: Convert to fraction form
    1,401,257.56/2,102,181.54 = 454,554.36/x
  3. Step 3: Cross multiply
    1,401,257.56x = 2,102,181.54 × 454,554.36
  4. Step 4: Simplify right side
    1,401,257.56x = 955,555,784,518.51
  5. Step 5: Solve for x
    x = 955,555,784,518.51/1,401,257.56
  6. Step 6: Final answer
    x = 681,927.30

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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.