Home / 434,768.64-599,973.12-243,781.44

Finding the Fourth Proportional to 434,768.64, 599,973.12 and 243,781.44

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Solution

The fourth proportional to 434,768.64, 599,973.12 and 243,781.44 is: 336,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,768.64 : 599,973.12 = 243,781.44 : x
  2. Step 2: Convert to fraction form
    434,768.64/599,973.12 = 243,781.44/x
  3. Step 3: Cross multiply
    434,768.64x = 599,973.12 × 243,781.44
  4. Step 4: Simplify right side
    434,768.64x = 146,262,311,154.89
  5. Step 5: Solve for x
    x = 146,262,311,154.89/434,768.64
  6. Step 6: Final answer
    x = 336,414.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.