Home / 1,235,209.52-1,704,200.58-691,258.88

Finding the Fourth Proportional to 1,235,209.52, 1,704,200.58 and 691,258.88

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Solution

The fourth proportional to 1,235,209.52, 1,704,200.58 and 691,258.88 is: 953,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,209.52 : 1,704,200.58 = 691,258.88 : x
  2. Step 2: Convert to fraction form
    1,235,209.52/1,704,200.58 = 691,258.88/x
  3. Step 3: Cross multiply
    1,235,209.52x = 1,704,200.58 × 691,258.88
  4. Step 4: Simplify right side
    1,235,209.52x = 1,178,043,784,226.15
  5. Step 5: Solve for x
    x = 1,178,043,784,226.15/1,235,209.52
  6. Step 6: Final answer
    x = 953,719.81

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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.