Home / 1,252,686.06-1,879,023.96-453,780.54

Finding the Fourth Proportional to 1,252,686.06, 1,879,023.96 and 453,780.54

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Solution

The fourth proportional to 1,252,686.06, 1,879,023.96 and 453,780.54 is: 680,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,686.06 : 1,879,023.96 = 453,780.54 : x
  2. Step 2: Convert to fraction form
    1,252,686.06/1,879,023.96 = 453,780.54/x
  3. Step 3: Cross multiply
    1,252,686.06x = 1,879,023.96 × 453,780.54
  4. Step 4: Simplify right side
    1,252,686.06x = 852,664,507,241.74
  5. Step 5: Solve for x
    x = 852,664,507,241.74/1,252,686.06
  6. Step 6: Final answer
    x = 680,668.95

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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.