Home / 456,820.04-684,836.04-219,836.72

Finding the Fourth Proportional to 456,820.04, 684,836.04 and 219,836.72

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Solution

The fourth proportional to 456,820.04, 684,836.04 and 219,836.72 is: 329,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,820.04 : 684,836.04 = 219,836.72 : x
  2. Step 2: Convert to fraction form
    456,820.04/684,836.04 = 219,836.72/x
  3. Step 3: Cross multiply
    456,820.04x = 684,836.04 × 219,836.72
  4. Step 4: Simplify right side
    456,820.04x = 150,552,108,771.39
  5. Step 5: Solve for x
    x = 150,552,108,771.39/456,820.04
  6. Step 6: Final answer
    x = 329,565.46

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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.