Home / 1,683,554.79-2,525,705.34-485,383.62

Finding the Fourth Proportional to 1,683,554.79, 2,525,705.34 and 485,383.62

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Solution

The fourth proportional to 1,683,554.79, 2,525,705.34 and 485,383.62 is: 728,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,554.79 : 2,525,705.34 = 485,383.62 : x
  2. Step 2: Convert to fraction form
    1,683,554.79/2,525,705.34 = 485,383.62/x
  3. Step 3: Cross multiply
    1,683,554.79x = 2,525,705.34 × 485,383.62
  4. Step 4: Simplify right side
    1,683,554.79x = 1,225,936,000,982.53
  5. Step 5: Solve for x
    x = 1,225,936,000,982.53/1,683,554.79
  6. Step 6: Final answer
    x = 728,183.01

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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.