Home / 935,969.58-1,291,528.80-528,077.88

Finding the Fourth Proportional to 935,969.58, 1,291,528.80 and 528,077.88

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Solution

The fourth proportional to 935,969.58, 1,291,528.80 and 528,077.88 is: 728,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,969.58 : 1,291,528.80 = 528,077.88 : x
  2. Step 2: Convert to fraction form
    935,969.58/1,291,528.80 = 528,077.88/x
  3. Step 3: Cross multiply
    935,969.58x = 1,291,528.80 × 528,077.88
  4. Step 4: Simplify right side
    935,969.58x = 682,027,790,662.94
  5. Step 5: Solve for x
    x = 682,027,790,662.94/935,969.58
  6. Step 6: Final answer
    x = 728,685.85

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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.