Home / 1,030,406.05-1,421,975.11-622,451.27

Finding the Fourth Proportional to 1,030,406.05, 1,421,975.11 and 622,451.27

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Solution

The fourth proportional to 1,030,406.05, 1,421,975.11 and 622,451.27 is: 858,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,406.05 : 1,421,975.11 = 622,451.27 : x
  2. Step 2: Convert to fraction form
    1,030,406.05/1,421,975.11 = 622,451.27/x
  3. Step 3: Cross multiply
    1,030,406.05x = 1,421,975.11 × 622,451.27
  4. Step 4: Simplify right side
    1,030,406.05x = 885,110,213,127.89
  5. Step 5: Solve for x
    x = 885,110,213,127.89/1,030,406.05
  6. Step 6: Final answer
    x = 858,991.67

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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.