Home / 384,016.63-529,973.01-211,968.76

Finding the Fourth Proportional to 384,016.63, 529,973.01 and 211,968.76

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Solution

The fourth proportional to 384,016.63, 529,973.01 and 211,968.76 is: 292,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,016.63 : 529,973.01 = 211,968.76 : x
  2. Step 2: Convert to fraction form
    384,016.63/529,973.01 = 211,968.76/x
  3. Step 3: Cross multiply
    384,016.63x = 529,973.01 × 211,968.76
  4. Step 4: Simplify right side
    384,016.63x = 112,337,718,053.46
  5. Step 5: Solve for x
    x = 112,337,718,053.46/384,016.63
  6. Step 6: Final answer
    x = 292,533.48

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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.