Home / 1,370,441.78-1,891,186.75-758,581.41

Finding the Fourth Proportional to 1,370,441.78, 1,891,186.75 and 758,581.41

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Solution

The fourth proportional to 1,370,441.78, 1,891,186.75 and 758,581.41 is: 1,046,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,441.78 : 1,891,186.75 = 758,581.41 : x
  2. Step 2: Convert to fraction form
    1,370,441.78/1,891,186.75 = 758,581.41/x
  3. Step 3: Cross multiply
    1,370,441.78x = 1,891,186.75 × 758,581.41
  4. Step 4: Simplify right side
    1,370,441.78x = 1,434,619,111,388.32
  5. Step 5: Solve for x
    x = 1,434,619,111,388.32/1,370,441.78
  6. Step 6: Final answer
    x = 1,046,829.67

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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.