Home / 432,541.36-648,811.92-314,960.94

Finding the Fourth Proportional to 432,541.36, 648,811.92 and 314,960.94

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Solution

The fourth proportional to 432,541.36, 648,811.92 and 314,960.94 is: 472,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,541.36 : 648,811.92 = 314,960.94 : x
  2. Step 2: Convert to fraction form
    432,541.36/648,811.92 = 314,960.94/x
  3. Step 3: Cross multiply
    432,541.36x = 648,811.92 × 314,960.94
  4. Step 4: Simplify right side
    432,541.36x = 204,350,412,206.41
  5. Step 5: Solve for x
    x = 204,350,412,206.41/432,541.36
  6. Step 6: Final answer
    x = 472,441.32

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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.