Home / 432,579.33-648,868.83-314,998.92

Finding the Fourth Proportional to 432,579.33, 648,868.83 and 314,998.92

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Solution

The fourth proportional to 432,579.33, 648,868.83 and 314,998.92 is: 472,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,579.33 : 648,868.83 = 314,998.92 : x
  2. Step 2: Convert to fraction form
    432,579.33/648,868.83 = 314,998.92/x
  3. Step 3: Cross multiply
    432,579.33x = 648,868.83 × 314,998.92
  4. Step 4: Simplify right side
    432,579.33x = 204,392,980,671.66
  5. Step 5: Solve for x
    x = 204,392,980,671.66/432,579.33
  6. Step 6: Final answer
    x = 472,498.26

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1.5x scale

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.