Home / 682,206.15-941,448.81-376,290.72

Finding the Fourth Proportional to 682,206.15, 941,448.81 and 376,290.72

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Solution

The fourth proportional to 682,206.15, 941,448.81 and 376,290.72 is: 519,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,206.15 : 941,448.81 = 376,290.72 : x
  2. Step 2: Convert to fraction form
    682,206.15/941,448.81 = 376,290.72/x
  3. Step 3: Cross multiply
    682,206.15x = 941,448.81 × 376,290.72
  4. Step 4: Simplify right side
    682,206.15x = 354,258,450,558.04
  5. Step 5: Solve for x
    x = 354,258,450,558.04/682,206.15
  6. Step 6: Final answer
    x = 519,283.58

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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.