Home / 682,012.35-941,155.47-376,101.63

Finding the Fourth Proportional to 682,012.35, 941,155.47 and 376,101.63

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Solution

The fourth proportional to 682,012.35, 941,155.47 and 376,101.63 is: 519,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,012.35 : 941,155.47 = 376,101.63 : x
  2. Step 2: Convert to fraction form
    682,012.35/941,155.47 = 376,101.63/x
  3. Step 3: Cross multiply
    682,012.35x = 941,155.47 × 376,101.63
  4. Step 4: Simplify right side
    682,012.35x = 353,970,106,350.42
  5. Step 5: Solve for x
    x = 353,970,106,350.42/682,012.35
  6. Step 6: Final answer
    x = 519,008.35

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Double scale
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Similar ratio
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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.