Home / 1,759,638.23-2,639,466.13-622,401.48

Finding the Fourth Proportional to 1,759,638.23, 2,639,466.13 and 622,401.48

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Solution

The fourth proportional to 1,759,638.23, 2,639,466.13 and 622,401.48 is: 933,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,638.23 : 2,639,466.13 = 622,401.48 : x
  2. Step 2: Convert to fraction form
    1,759,638.23/2,639,466.13 = 622,401.48/x
  3. Step 3: Cross multiply
    1,759,638.23x = 2,639,466.13 × 622,401.48
  4. Step 4: Simplify right side
    1,759,638.23x = 1,642,807,610,968.54
  5. Step 5: Solve for x
    x = 1,642,807,610,968.54/1,759,638.23
  6. Step 6: Final answer
    x = 933,605.32

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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.