Home / 1,120,940.56-1,546,932.16-637,575.36

Finding the Fourth Proportional to 1,120,940.56, 1,546,932.16 and 637,575.36

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Solution

The fourth proportional to 1,120,940.56, 1,546,932.16 and 637,575.36 is: 879,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,940.56 : 1,546,932.16 = 637,575.36 : x
  2. Step 2: Convert to fraction form
    1,120,940.56/1,546,932.16 = 637,575.36/x
  3. Step 3: Cross multiply
    1,120,940.56x = 1,546,932.16 × 637,575.36
  4. Step 4: Simplify right side
    1,120,940.56x = 986,285,828,807.58
  5. Step 5: Solve for x
    x = 986,285,828,807.58/1,120,940.56
  6. Step 6: Final answer
    x = 879,873.44

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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.