Home / 384,828.30-576,367.65-243,110.70

Finding the Fourth Proportional to 384,828.30, 576,367.65 and 243,110.70

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Solution

The fourth proportional to 384,828.30, 576,367.65 and 243,110.70 is: 364,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,828.30 : 576,367.65 = 243,110.70 : x
  2. Step 2: Convert to fraction form
    384,828.30/576,367.65 = 243,110.70/x
  3. Step 3: Cross multiply
    384,828.30x = 576,367.65 × 243,110.70
  4. Step 4: Simplify right side
    384,828.30x = 140,121,142,848.86
  5. Step 5: Solve for x
    x = 140,121,142,848.86/384,828.30
  6. Step 6: Final answer
    x = 364,113.41

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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.