Home / 1,909,219.68-2,863,828.32-561,393.36

Finding the Fourth Proportional to 1,909,219.68, 2,863,828.32 and 561,393.36

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Solution

The fourth proportional to 1,909,219.68, 2,863,828.32 and 561,393.36 is: 842,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,219.68 : 2,863,828.32 = 561,393.36 : x
  2. Step 2: Convert to fraction form
    1,909,219.68/2,863,828.32 = 561,393.36/x
  3. Step 3: Cross multiply
    1,909,219.68x = 2,863,828.32 × 561,393.36
  4. Step 4: Simplify right side
    1,909,219.68x = 1,607,734,203,027.96
  5. Step 5: Solve for x
    x = 1,607,734,203,027.96/1,909,219.68
  6. Step 6: Final answer
    x = 842,089.69

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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.