Home / 1,409,751.23-1,945,404.54-765,157.59

Finding the Fourth Proportional to 1,409,751.23, 1,945,404.54 and 765,157.59

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Solution

The fourth proportional to 1,409,751.23, 1,945,404.54 and 765,157.59 is: 1,055,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,751.23 : 1,945,404.54 = 765,157.59 : x
  2. Step 2: Convert to fraction form
    1,409,751.23/1,945,404.54 = 765,157.59/x
  3. Step 3: Cross multiply
    1,409,751.23x = 1,945,404.54 × 765,157.59
  4. Step 4: Simplify right side
    1,409,751.23x = 1,488,541,049,401.46
  5. Step 5: Solve for x
    x = 1,488,541,049,401.46/1,409,751.23
  6. Step 6: Final answer
    x = 1,055,889.17

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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.