Home / 1,219,323.81-1,829,242.44-461,148.31

Finding the Fourth Proportional to 1,219,323.81, 1,829,242.44 and 461,148.31

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Solution

The fourth proportional to 1,219,323.81, 1,829,242.44 and 461,148.31 is: 691,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,323.81 : 1,829,242.44 = 461,148.31 : x
  2. Step 2: Convert to fraction form
    1,219,323.81/1,829,242.44 = 461,148.31/x
  3. Step 3: Cross multiply
    1,219,323.81x = 1,829,242.44 × 461,148.31
  4. Step 4: Simplify right side
    1,219,323.81x = 843,552,059,786.28
  5. Step 5: Solve for x
    x = 843,552,059,786.28/1,219,323.81
  6. Step 6: Final answer
    x = 691,819.56

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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.