Home / 1,188,588.28-1,783,144.83-440,634.28

Finding the Fourth Proportional to 1,188,588.28, 1,783,144.83 and 440,634.28

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Solution

The fourth proportional to 1,188,588.28, 1,783,144.83 and 440,634.28 is: 661,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,588.28 : 1,783,144.83 = 440,634.28 : x
  2. Step 2: Convert to fraction form
    1,188,588.28/1,783,144.83 = 440,634.28/x
  3. Step 3: Cross multiply
    1,188,588.28x = 1,783,144.83 × 440,634.28
  4. Step 4: Simplify right side
    1,188,588.28x = 785,714,738,302.77
  5. Step 5: Solve for x
    x = 785,714,738,302.77/1,188,588.28
  6. Step 6: Final answer
    x = 661,048.70

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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.