Home / 1,030,405.05-1,421,973.73-622,450.27

Finding the Fourth Proportional to 1,030,405.05, 1,421,973.73 and 622,450.27

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Solution

The fourth proportional to 1,030,405.05, 1,421,973.73 and 622,450.27 is: 858,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,405.05 : 1,421,973.73 = 622,450.27 : x
  2. Step 2: Convert to fraction form
    1,030,405.05/1,421,973.73 = 622,450.27/x
  3. Step 3: Cross multiply
    1,030,405.05x = 1,421,973.73 × 622,450.27
  4. Step 4: Simplify right side
    1,030,405.05x = 885,107,934,726.94
  5. Step 5: Solve for x
    x = 885,107,934,726.94/1,030,405.05
  6. Step 6: Final answer
    x = 858,990.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.