Home / 432,426.96-648,640.38-314,846.52

Finding the Fourth Proportional to 432,426.96, 648,640.38 and 314,846.52

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Solution

The fourth proportional to 432,426.96, 648,640.38 and 314,846.52 is: 472,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,426.96 : 648,640.38 = 314,846.52 : x
  2. Step 2: Convert to fraction form
    432,426.96/648,640.38 = 314,846.52/x
  3. Step 3: Cross multiply
    432,426.96x = 648,640.38 × 314,846.52
  4. Step 4: Simplify right side
    432,426.96x = 204,222,166,374.48
  5. Step 5: Solve for x
    x = 204,222,166,374.48/432,426.96
  6. Step 6: Final answer
    x = 472,269.74

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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.