Home / 1,397,105-1,928,004.90-761,201

Finding the Fourth Proportional to 1,397,105, 1,928,004.90 and 761,201

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Solution

The fourth proportional to 1,397,105, 1,928,004.90 and 761,201 is: 1,050,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,105 : 1,928,004.90 = 761,201 : x
  2. Step 2: Convert to fraction form
    1,397,105/1,928,004.90 = 761,201/x
  3. Step 3: Cross multiply
    1,397,105x = 1,928,004.90 × 761,201
  4. Step 4: Simplify right side
    1,397,105x = 1,467,599,257,884.90
  5. Step 5: Solve for x
    x = 1,467,599,257,884.90/1,397,105
  6. Step 6: Final answer
    x = 1,050,457.38

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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.