Home / 929,810.83-1,283,268.44-516,440.50

Finding the Fourth Proportional to 929,810.83, 1,283,268.44 and 516,440.50

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Solution

The fourth proportional to 929,810.83, 1,283,268.44 and 516,440.50 is: 712,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,810.83 : 1,283,268.44 = 516,440.50 : x
  2. Step 2: Convert to fraction form
    929,810.83/1,283,268.44 = 516,440.50/x
  3. Step 3: Cross multiply
    929,810.83x = 1,283,268.44 × 516,440.50
  4. Step 4: Simplify right side
    929,810.83x = 662,731,789,250.56
  5. Step 5: Solve for x
    x = 662,731,789,250.56/929,810.83
  6. Step 6: Final answer
    x = 712,759.81

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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.