Home / 384,768.45-577,207.35-118,501.20

Finding the Fourth Proportional to 384,768.45, 577,207.35 and 118,501.20

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Solution

The fourth proportional to 384,768.45, 577,207.35 and 118,501.20 is: 177,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,768.45 : 577,207.35 = 118,501.20 : x
  2. Step 2: Convert to fraction form
    384,768.45/577,207.35 = 118,501.20/x
  3. Step 3: Cross multiply
    384,768.45x = 577,207.35 × 118,501.20
  4. Step 4: Simplify right side
    384,768.45x = 68,399,763,623.82
  5. Step 5: Solve for x
    x = 68,399,763,623.82/384,768.45
  6. Step 6: Final answer
    x = 177,768.64

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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.