Home / 1,155,826.20-1,733,739.30-707,928.60

Finding the Fourth Proportional to 1,155,826.20, 1,733,739.30 and 707,928.60

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Solution

The fourth proportional to 1,155,826.20, 1,733,739.30 and 707,928.60 is: 1,061,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,826.20 : 1,733,739.30 = 707,928.60 : x
  2. Step 2: Convert to fraction form
    1,155,826.20/1,733,739.30 = 707,928.60/x
  3. Step 3: Cross multiply
    1,155,826.20x = 1,733,739.30 × 707,928.60
  4. Step 4: Simplify right side
    1,155,826.20x = 1,227,363,635,413.98
  5. Step 5: Solve for x
    x = 1,227,363,635,413.98/1,155,826.20
  6. Step 6: Final answer
    x = 1,061,892.90

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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.