Home / 816,573.51-1,126,889.76-449,027.37

Finding the Fourth Proportional to 816,573.51, 1,126,889.76 and 449,027.37

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Solution

The fourth proportional to 816,573.51, 1,126,889.76 and 449,027.37 is: 619,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,573.51 : 1,126,889.76 = 449,027.37 : x
  2. Step 2: Convert to fraction form
    816,573.51/1,126,889.76 = 449,027.37/x
  3. Step 3: Cross multiply
    816,573.51x = 1,126,889.76 × 449,027.37
  4. Step 4: Simplify right side
    816,573.51x = 506,004,345,212.73
  5. Step 5: Solve for x
    x = 506,004,345,212.73/816,573.51
  6. Step 6: Final answer
    x = 619,667.84

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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.