Home / 837,769.09-1,256,667.48-405,235.16

Finding the Fourth Proportional to 837,769.09, 1,256,667.48 and 405,235.16

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Solution

The fourth proportional to 837,769.09, 1,256,667.48 and 405,235.16 is: 607,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,769.09 : 1,256,667.48 = 405,235.16 : x
  2. Step 2: Convert to fraction form
    837,769.09/1,256,667.48 = 405,235.16/x
  3. Step 3: Cross multiply
    837,769.09x = 1,256,667.48 × 405,235.16
  4. Step 4: Simplify right side
    837,769.09x = 509,245,845,298.42
  5. Step 5: Solve for x
    x = 509,245,845,298.42/837,769.09
  6. Step 6: Final answer
    x = 607,859.44

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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.