Home / 929,886.77-1,283,286.37-516,425.45

Finding the Fourth Proportional to 929,886.77, 1,283,286.37 and 516,425.45

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Solution

The fourth proportional to 929,886.77, 1,283,286.37 and 516,425.45 is: 712,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,886.77 : 1,283,286.37 = 516,425.45 : x
  2. Step 2: Convert to fraction form
    929,886.77/1,283,286.37 = 516,425.45/x
  3. Step 3: Cross multiply
    929,886.77x = 1,283,286.37 × 516,425.45
  4. Step 4: Simplify right side
    929,886.77x = 662,721,734,689.69
  5. Step 5: Solve for x
    x = 662,721,734,689.69/929,886.77
  6. Step 6: Final answer
    x = 712,690.79

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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.