Home / 682,513.40-941,888.21-376,609.49

Finding the Fourth Proportional to 682,513.40, 941,888.21 and 376,609.49

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Solution

The fourth proportional to 682,513.40, 941,888.21 and 376,609.49 is: 519,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,513.40 : 941,888.21 = 376,609.49 : x
  2. Step 2: Convert to fraction form
    682,513.40/941,888.21 = 376,609.49/x
  3. Step 3: Cross multiply
    682,513.40x = 941,888.21 × 376,609.49
  4. Step 4: Simplify right side
    682,513.40x = 354,724,031,812.62
  5. Step 5: Solve for x
    x = 354,724,031,812.62/682,513.40
  6. Step 6: Final answer
    x = 519,731.97

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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.