Home / 466,484.58-643,947.33-313,611.43

Finding the Fourth Proportional to 466,484.58, 643,947.33 and 313,611.43

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Solution

The fourth proportional to 466,484.58, 643,947.33 and 313,611.43 is: 432,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,484.58 : 643,947.33 = 313,611.43 : x
  2. Step 2: Convert to fraction form
    466,484.58/643,947.33 = 313,611.43/x
  3. Step 3: Cross multiply
    466,484.58x = 643,947.33 × 313,611.43
  4. Step 4: Simplify right side
    466,484.58x = 201,949,243,005.98
  5. Step 5: Solve for x
    x = 201,949,243,005.98/466,484.58
  6. Step 6: Final answer
    x = 432,917.30

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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.