Home / 673,049.74-1,009,769.37-217,631.26

Finding the Fourth Proportional to 673,049.74, 1,009,769.37 and 217,631.26

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Solution

The fourth proportional to 673,049.74, 1,009,769.37 and 217,631.26 is: 326,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,049.74 : 1,009,769.37 = 217,631.26 : x
  2. Step 2: Convert to fraction form
    673,049.74/1,009,769.37 = 217,631.26/x
  3. Step 3: Cross multiply
    673,049.74x = 1,009,769.37 × 217,631.26
  4. Step 4: Simplify right side
    673,049.74x = 219,757,380,302.51
  5. Step 5: Solve for x
    x = 219,757,380,302.51/673,049.74
  6. Step 6: Final answer
    x = 326,509.87

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Double scale
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Similar ratio
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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.