Home / 682,914.04-942,510.54-381,170.68

Finding the Fourth Proportional to 682,914.04, 942,510.54 and 381,170.68

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Solution

The fourth proportional to 682,914.04, 942,510.54 and 381,170.68 is: 526,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,914.04 : 942,510.54 = 381,170.68 : x
  2. Step 2: Convert to fraction form
    682,914.04/942,510.54 = 381,170.68/x
  3. Step 3: Cross multiply
    682,914.04x = 942,510.54 × 381,170.68
  4. Step 4: Simplify right side
    682,914.04x = 359,257,383,438.97
  5. Step 5: Solve for x
    x = 359,257,383,438.97/682,914.04
  6. Step 6: Final answer
    x = 526,065.31

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Double scale
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1.5x scale

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.