Home / 1,210,708.80-1,814,767.20-411,249.60

Finding the Fourth Proportional to 1,210,708.80, 1,814,767.20 and 411,249.60

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Solution

The fourth proportional to 1,210,708.80, 1,814,767.20 and 411,249.60 is: 616,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,708.80 : 1,814,767.20 = 411,249.60 : x
  2. Step 2: Convert to fraction form
    1,210,708.80/1,814,767.20 = 411,249.60/x
  3. Step 3: Cross multiply
    1,210,708.80x = 1,814,767.20 × 411,249.60
  4. Step 4: Simplify right side
    1,210,708.80x = 746,322,285,093.12
  5. Step 5: Solve for x
    x = 746,322,285,093.12/1,210,708.80
  6. Step 6: Final answer
    x = 616,434.18

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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.