Home / 468,796.56-646,513.96-307,590.36

Finding the Fourth Proportional to 468,796.56, 646,513.96 and 307,590.36

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Solution

The fourth proportional to 468,796.56, 646,513.96 and 307,590.36 is: 424,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,796.56 : 646,513.96 = 307,590.36 : x
  2. Step 2: Convert to fraction form
    468,796.56/646,513.96 = 307,590.36/x
  3. Step 3: Cross multiply
    468,796.56x = 646,513.96 × 307,590.36
  4. Step 4: Simplify right side
    468,796.56x = 198,861,461,701.43
  5. Step 5: Solve for x
    x = 198,861,461,701.43/468,796.56
  6. Step 6: Final answer
    x = 424,195.65

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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.