Home / 1,396,470.51-1,927,130.94-792,858.51

Finding the Fourth Proportional to 1,396,470.51, 1,927,130.94 and 792,858.51

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Solution

The fourth proportional to 1,396,470.51, 1,927,130.94 and 792,858.51 is: 1,094,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,470.51 : 1,927,130.94 = 792,858.51 : x
  2. Step 2: Convert to fraction form
    1,396,470.51/1,927,130.94 = 792,858.51/x
  3. Step 3: Cross multiply
    1,396,470.51x = 1,927,130.94 × 792,858.51
  4. Step 4: Simplify right side
    1,396,470.51x = 1,527,942,165,663.30
  5. Step 5: Solve for x
    x = 1,527,942,165,663.30/1,396,470.51
  6. Step 6: Final answer
    x = 1,094,145.67

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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.