Home / 1,291,579.44-1,937,441.94-393,050.40

Finding the Fourth Proportional to 1,291,579.44, 1,937,441.94 and 393,050.40

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Solution

The fourth proportional to 1,291,579.44, 1,937,441.94 and 393,050.40 is: 589,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,579.44 : 1,937,441.94 = 393,050.40 : x
  2. Step 2: Convert to fraction form
    1,291,579.44/1,937,441.94 = 393,050.40/x
  3. Step 3: Cross multiply
    1,291,579.44x = 1,937,441.94 × 393,050.40
  4. Step 4: Simplify right side
    1,291,579.44x = 761,512,329,493.78
  5. Step 5: Solve for x
    x = 761,512,329,493.78/1,291,579.44
  6. Step 6: Final answer
    x = 589,597.75

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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.