Home / 816,633.59-1,126,924.81-449,107.54

Finding the Fourth Proportional to 816,633.59, 1,126,924.81 and 449,107.54

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Solution

The fourth proportional to 816,633.59, 1,126,924.81 and 449,107.54 is: 619,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,633.59 : 1,126,924.81 = 449,107.54 : x
  2. Step 2: Convert to fraction form
    816,633.59/1,126,924.81 = 449,107.54/x
  3. Step 3: Cross multiply
    816,633.59x = 1,126,924.81 × 449,107.54
  4. Step 4: Simplify right side
    816,633.59x = 506,110,425,243.99
  5. Step 5: Solve for x
    x = 506,110,425,243.99/816,633.59
  6. Step 6: Final answer
    x = 619,752.16

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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.