Home / 753,264.52-1,129,905.96-220,796.32

Finding the Fourth Proportional to 753,264.52, 1,129,905.96 and 220,796.32

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Solution

The fourth proportional to 753,264.52, 1,129,905.96 and 220,796.32 is: 331,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,264.52 : 1,129,905.96 = 220,796.32 : x
  2. Step 2: Convert to fraction form
    753,264.52/1,129,905.96 = 220,796.32/x
  3. Step 3: Cross multiply
    753,264.52x = 1,129,905.96 × 220,796.32
  4. Step 4: Simplify right side
    753,264.52x = 249,479,077,914.07
  5. Step 5: Solve for x
    x = 249,479,077,914.07/753,264.52
  6. Step 6: Final answer
    x = 331,197.17

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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.