Home / 1,257,360.26-1,886,086.20-447,804.21

Finding the Fourth Proportional to 1,257,360.26, 1,886,086.20 and 447,804.21

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Solution

The fourth proportional to 1,257,360.26, 1,886,086.20 and 447,804.21 is: 671,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,360.26 : 1,886,086.20 = 447,804.21 : x
  2. Step 2: Convert to fraction form
    1,257,360.26/1,886,086.20 = 447,804.21/x
  3. Step 3: Cross multiply
    1,257,360.26x = 1,886,086.20 × 447,804.21
  4. Step 4: Simplify right side
    1,257,360.26x = 844,597,340,782.90
  5. Step 5: Solve for x
    x = 844,597,340,782.90/1,257,360.26
  6. Step 6: Final answer
    x = 671,722.63

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1.5x scale

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.