Home / 465,973.02-643,039.47-264,769.02

Finding the Fourth Proportional to 465,973.02, 643,039.47 and 264,769.02

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Solution

The fourth proportional to 465,973.02, 643,039.47 and 264,769.02 is: 365,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,973.02 : 643,039.47 = 264,769.02 : x
  2. Step 2: Convert to fraction form
    465,973.02/643,039.47 = 264,769.02/x
  3. Step 3: Cross multiply
    465,973.02x = 643,039.47 × 264,769.02
  4. Step 4: Simplify right side
    465,973.02x = 170,256,930,293.22
  5. Step 5: Solve for x
    x = 170,256,930,293.22/465,973.02
  6. Step 6: Final answer
    x = 365,379.37

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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.