Home / 775,666.54-1,163,525.25-214,654.06

Finding the Fourth Proportional to 775,666.54, 1,163,525.25 and 214,654.06

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Solution

The fourth proportional to 775,666.54, 1,163,525.25 and 214,654.06 is: 321,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,666.54 : 1,163,525.25 = 214,654.06 : x
  2. Step 2: Convert to fraction form
    775,666.54/1,163,525.25 = 214,654.06/x
  3. Step 3: Cross multiply
    775,666.54x = 1,163,525.25 × 214,654.06
  4. Step 4: Simplify right side
    775,666.54x = 249,755,418,825.02
  5. Step 5: Solve for x
    x = 249,755,418,825.02/775,666.54
  6. Step 6: Final answer
    x = 321,988.13

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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.