Home / 808,453.77-1,211,350.63-641,049.45

Finding the Fourth Proportional to 808,453.77, 1,211,350.63 and 641,049.45

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Solution

The fourth proportional to 808,453.77, 1,211,350.63 and 641,049.45 is: 960,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,453.77 : 1,211,350.63 = 641,049.45 : x
  2. Step 2: Convert to fraction form
    808,453.77/1,211,350.63 = 641,049.45/x
  3. Step 3: Cross multiply
    808,453.77x = 1,211,350.63 × 641,049.45
  4. Step 4: Simplify right side
    808,453.77x = 776,535,655,118.65
  5. Step 5: Solve for x
    x = 776,535,655,118.65/808,453.77
  6. Step 6: Final answer
    x = 960,519.55

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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.