Home / 1,214,664.72-1,823,102.91-646,523.01

Finding the Fourth Proportional to 1,214,664.72, 1,823,102.91 and 646,523.01

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Solution

The fourth proportional to 1,214,664.72, 1,823,102.91 and 646,523.01 is: 970,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,664.72 : 1,823,102.91 = 646,523.01 : x
  2. Step 2: Convert to fraction form
    1,214,664.72/1,823,102.91 = 646,523.01/x
  3. Step 3: Cross multiply
    1,214,664.72x = 1,823,102.91 × 646,523.01
  4. Step 4: Simplify right side
    1,214,664.72x = 1,178,677,980,912.96
  5. Step 5: Solve for x
    x = 1,178,677,980,912.96/1,214,664.72
  6. Step 6: Final answer
    x = 970,373.11

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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.