Home / 384,905.20-577,358.16-104,415.52

Finding the Fourth Proportional to 384,905.20, 577,358.16 and 104,415.52

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Solution

The fourth proportional to 384,905.20, 577,358.16 and 104,415.52 is: 156,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,905.20 : 577,358.16 = 104,415.52 : x
  2. Step 2: Convert to fraction form
    384,905.20/577,358.16 = 104,415.52/x
  3. Step 3: Cross multiply
    384,905.20x = 577,358.16 × 104,415.52
  4. Step 4: Simplify right side
    384,905.20x = 60,285,152,502.64
  5. Step 5: Solve for x
    x = 60,285,152,502.64/384,905.20
  6. Step 6: Final answer
    x = 156,623.38

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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.