Home / 410,080.13-615,327.66-276,680.03

Finding the Fourth Proportional to 410,080.13, 615,327.66 and 276,680.03

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Solution

The fourth proportional to 410,080.13, 615,327.66 and 276,680.03 is: 415,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,080.13 : 615,327.66 = 276,680.03 : x
  2. Step 2: Convert to fraction form
    410,080.13/615,327.66 = 276,680.03/x
  3. Step 3: Cross multiply
    410,080.13x = 615,327.66 × 276,680.03
  4. Step 4: Simplify right side
    410,080.13x = 170,248,875,428.63
  5. Step 5: Solve for x
    x = 170,248,875,428.63/410,080.13
  6. Step 6: Final answer
    x = 415,160.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.