Home / 1,393,499.99-1,922,575.95-812,591.88

Finding the Fourth Proportional to 1,393,499.99, 1,922,575.95 and 812,591.88

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Solution

The fourth proportional to 1,393,499.99, 1,922,575.95 and 812,591.88 is: 1,121,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,499.99 : 1,922,575.95 = 812,591.88 : x
  2. Step 2: Convert to fraction form
    1,393,499.99/1,922,575.95 = 812,591.88/x
  3. Step 3: Cross multiply
    1,393,499.99x = 1,922,575.95 × 812,591.88
  4. Step 4: Simplify right side
    1,393,499.99x = 1,562,269,605,653.29
  5. Step 5: Solve for x
    x = 1,562,269,605,653.29/1,393,499.99
  6. Step 6: Final answer
    x = 1,121,112.04

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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.