Home / 1,405,240-1,939,493.91-801,628

Finding the Fourth Proportional to 1,405,240, 1,939,493.91 and 801,628

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Solution

The fourth proportional to 1,405,240, 1,939,493.91 and 801,628 is: 1,106,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,240 : 1,939,493.91 = 801,628 : x
  2. Step 2: Convert to fraction form
    1,405,240/1,939,493.91 = 801,628/x
  3. Step 3: Cross multiply
    1,405,240x = 1,939,493.91 × 801,628
  4. Step 4: Simplify right side
    1,405,240x = 1,554,752,624,085.48
  5. Step 5: Solve for x
    x = 1,554,752,624,085.48/1,405,240
  6. Step 6: Final answer
    x = 1,106,396.50

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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.