Home / 1,288,481.22-1,931,263.56-656,059.14

Finding the Fourth Proportional to 1,288,481.22, 1,931,263.56 and 656,059.14

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Solution

The fourth proportional to 1,288,481.22, 1,931,263.56 and 656,059.14 is: 983,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,481.22 : 1,931,263.56 = 656,059.14 : x
  2. Step 2: Convert to fraction form
    1,288,481.22/1,931,263.56 = 656,059.14/x
  3. Step 3: Cross multiply
    1,288,481.22x = 1,931,263.56 × 656,059.14
  4. Step 4: Simplify right side
    1,288,481.22x = 1,267,023,110,286.94
  5. Step 5: Solve for x
    x = 1,267,023,110,286.94/1,288,481.22
  6. Step 6: Final answer
    x = 983,346.20

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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.