Home / 821,786.99-1,134,044.93-459,213.83

Finding the Fourth Proportional to 821,786.99, 1,134,044.93 and 459,213.83

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Solution

The fourth proportional to 821,786.99, 1,134,044.93 and 459,213.83 is: 633,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,786.99 : 1,134,044.93 = 459,213.83 : x
  2. Step 2: Convert to fraction form
    821,786.99/1,134,044.93 = 459,213.83/x
  3. Step 3: Cross multiply
    821,786.99x = 1,134,044.93 × 459,213.83
  4. Step 4: Simplify right side
    821,786.99x = 520,769,117,325.82
  5. Step 5: Solve for x
    x = 520,769,117,325.82/821,786.99
  6. Step 6: Final answer
    x = 633,703.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.