Home / 481,254.34-721,632.33-256,554.40

Finding the Fourth Proportional to 481,254.34, 721,632.33 and 256,554.40

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Solution

The fourth proportional to 481,254.34, 721,632.33 and 256,554.40 is: 384,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,254.34 : 721,632.33 = 256,554.40 : x
  2. Step 2: Convert to fraction form
    481,254.34/721,632.33 = 256,554.40/x
  3. Step 3: Cross multiply
    481,254.34x = 721,632.33 × 256,554.40
  4. Step 4: Simplify right side
    481,254.34x = 185,137,949,443.75
  5. Step 5: Solve for x
    x = 185,137,949,443.75/481,254.34
  6. Step 6: Final answer
    x = 384,698.76

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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.