Home / 1,679,658.81-2,518,971.43-481,260.03

Finding the Fourth Proportional to 1,679,658.81, 2,518,971.43 and 481,260.03

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Solution

The fourth proportional to 1,679,658.81, 2,518,971.43 and 481,260.03 is: 721,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,658.81 : 2,518,971.43 = 481,260.03 : x
  2. Step 2: Convert to fraction form
    1,679,658.81/2,518,971.43 = 481,260.03/x
  3. Step 3: Cross multiply
    1,679,658.81x = 2,518,971.43 × 481,260.03
  4. Step 4: Simplify right side
    1,679,658.81x = 1,212,280,265,970.94
  5. Step 5: Solve for x
    x = 1,212,280,265,970.94/1,679,658.81
  6. Step 6: Final answer
    x = 721,741.97

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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.