Home / 414,731.60-622,097.40-282,021.20

Finding the Fourth Proportional to 414,731.60, 622,097.40 and 282,021.20

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Solution

The fourth proportional to 414,731.60, 622,097.40 and 282,021.20 is: 423,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,731.60 : 622,097.40 = 282,021.20 : x
  2. Step 2: Convert to fraction form
    414,731.60/622,097.40 = 282,021.20/x
  3. Step 3: Cross multiply
    414,731.60x = 622,097.40 × 282,021.20
  4. Step 4: Simplify right side
    414,731.60x = 175,444,655,264.88
  5. Step 5: Solve for x
    x = 175,444,655,264.88/414,731.60
  6. Step 6: Final answer
    x = 423,031.80

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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.