Home / 929,820.78-1,283,171.63-521,952.03

Finding the Fourth Proportional to 929,820.78, 1,283,171.63 and 521,952.03

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Solution

The fourth proportional to 929,820.78, 1,283,171.63 and 521,952.03 is: 720,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,820.78 : 1,283,171.63 = 521,952.03 : x
  2. Step 2: Convert to fraction form
    929,820.78/1,283,171.63 = 521,952.03/x
  3. Step 3: Cross multiply
    929,820.78x = 1,283,171.63 × 521,952.03
  4. Step 4: Simplify right side
    929,820.78x = 669,754,034,507.15
  5. Step 5: Solve for x
    x = 669,754,034,507.15/929,820.78
  6. Step 6: Final answer
    x = 720,304.44

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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.