Home / 966,335.45-1,449,007.35-511,172.36

Finding the Fourth Proportional to 966,335.45, 1,449,007.35 and 511,172.36

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Solution

The fourth proportional to 966,335.45, 1,449,007.35 and 511,172.36 is: 766,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,335.45 : 1,449,007.35 = 511,172.36 : x
  2. Step 2: Convert to fraction form
    966,335.45/1,449,007.35 = 511,172.36/x
  3. Step 3: Cross multiply
    966,335.45x = 1,449,007.35 × 511,172.36
  4. Step 4: Simplify right side
    966,335.45x = 740,692,499,511.81
  5. Step 5: Solve for x
    x = 740,692,499,511.81/966,335.45
  6. Step 6: Final answer
    x = 766,496.25

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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.