Home / 1,256,899.88-1,885,645.12-415,451.64

Finding the Fourth Proportional to 1,256,899.88, 1,885,645.12 and 415,451.64

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Solution

The fourth proportional to 1,256,899.88, 1,885,645.12 and 415,451.64 is: 623,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,899.88 : 1,885,645.12 = 415,451.64 : x
  2. Step 2: Convert to fraction form
    1,256,899.88/1,885,645.12 = 415,451.64/x
  3. Step 3: Cross multiply
    1,256,899.88x = 1,885,645.12 × 415,451.64
  4. Step 4: Simplify right side
    1,256,899.88x = 783,394,357,562.00
  5. Step 5: Solve for x
    x = 783,394,357,562.00/1,256,899.88
  6. Step 6: Final answer
    x = 623,275.07

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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.