Home / 1,591,334.21-2,386,977.94-393,256.50

Finding the Fourth Proportional to 1,591,334.21, 2,386,977.94 and 393,256.50

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Solution

The fourth proportional to 1,591,334.21, 2,386,977.94 and 393,256.50 is: 589,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,334.21 : 2,386,977.94 = 393,256.50 : x
  2. Step 2: Convert to fraction form
    1,591,334.21/2,386,977.94 = 393,256.50/x
  3. Step 3: Cross multiply
    1,591,334.21x = 2,386,977.94 × 393,256.50
  4. Step 4: Simplify right side
    1,591,334.21x = 938,694,590,261.61
  5. Step 5: Solve for x
    x = 938,694,590,261.61/1,591,334.21
  6. Step 6: Final answer
    x = 589,878.97

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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.