Home / 682,539.51-941,948.55-392,244.42

Finding the Fourth Proportional to 682,539.51, 941,948.55 and 392,244.42

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Solution

The fourth proportional to 682,539.51, 941,948.55 and 392,244.42 is: 541,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,539.51 : 941,948.55 = 392,244.42 : x
  2. Step 2: Convert to fraction form
    682,539.51/941,948.55 = 392,244.42/x
  3. Step 3: Cross multiply
    682,539.51x = 941,948.55 × 392,244.42
  4. Step 4: Simplify right side
    682,539.51x = 369,474,062,664.59
  5. Step 5: Solve for x
    x = 369,474,062,664.59/682,539.51
  6. Step 6: Final answer
    x = 541,322.60

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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.