Home / 1,079,174.80-1,618,956.60-448,152.40

Finding the Fourth Proportional to 1,079,174.80, 1,618,956.60 and 448,152.40

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Solution

The fourth proportional to 1,079,174.80, 1,618,956.60 and 448,152.40 is: 672,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,174.80 : 1,618,956.60 = 448,152.40 : x
  2. Step 2: Convert to fraction form
    1,079,174.80/1,618,956.60 = 448,152.40/x
  3. Step 3: Cross multiply
    1,079,174.80x = 1,618,956.60 × 448,152.40
  4. Step 4: Simplify right side
    1,079,174.80x = 725,539,285,785.84
  5. Step 5: Solve for x
    x = 725,539,285,785.84/1,079,174.80
  6. Step 6: Final answer
    x = 672,309.33

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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.