Home / 1,622,406.76-2,431,894-611,091.12

Finding the Fourth Proportional to 1,622,406.76, 2,431,894 and 611,091.12

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Solution

The fourth proportional to 1,622,406.76, 2,431,894 and 611,091.12 is: 915,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,406.76 : 2,431,894 = 611,091.12 : x
  2. Step 2: Convert to fraction form
    1,622,406.76/2,431,894 = 611,091.12/x
  3. Step 3: Cross multiply
    1,622,406.76x = 2,431,894 × 611,091.12
  4. Step 4: Simplify right side
    1,622,406.76x = 1,486,108,828,181.28
  5. Step 5: Solve for x
    x = 1,486,108,828,181.28/1,622,406.76
  6. Step 6: Final answer
    x = 915,990.28

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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.