Home / 385,167.30-531,664.47-264,707.34

Finding the Fourth Proportional to 385,167.30, 531,664.47 and 264,707.34

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Solution

The fourth proportional to 385,167.30, 531,664.47 and 264,707.34 is: 365,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,167.30 : 531,664.47 = 264,707.34 : x
  2. Step 2: Convert to fraction form
    385,167.30/531,664.47 = 264,707.34/x
  3. Step 3: Cross multiply
    385,167.30x = 531,664.47 × 264,707.34
  4. Step 4: Simplify right side
    385,167.30x = 140,735,487,626.21
  5. Step 5: Solve for x
    x = 140,735,487,626.21/385,167.30
  6. Step 6: Final answer
    x = 365,387.94

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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.