Home / 1,278,832.06-1,764,779.73-698,052.94

Finding the Fourth Proportional to 1,278,832.06, 1,764,779.73 and 698,052.94

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Solution

The fourth proportional to 1,278,832.06, 1,764,779.73 and 698,052.94 is: 963,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,832.06 : 1,764,779.73 = 698,052.94 : x
  2. Step 2: Convert to fraction form
    1,278,832.06/1,764,779.73 = 698,052.94/x
  3. Step 3: Cross multiply
    1,278,832.06x = 1,764,779.73 × 698,052.94
  4. Step 4: Simplify right side
    1,278,832.06x = 1,231,909,678,978.91
  5. Step 5: Solve for x
    x = 1,231,909,678,978.91/1,278,832.06
  6. Step 6: Final answer
    x = 963,308.41

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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.