Home / 1,197,856.40-1,796,784.60-860,183.60

Finding the Fourth Proportional to 1,197,856.40, 1,796,784.60 and 860,183.60

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Solution

The fourth proportional to 1,197,856.40, 1,796,784.60 and 860,183.60 is: 1,290,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,856.40 : 1,796,784.60 = 860,183.60 : x
  2. Step 2: Convert to fraction form
    1,197,856.40/1,796,784.60 = 860,183.60/x
  3. Step 3: Cross multiply
    1,197,856.40x = 1,796,784.60 × 860,183.60
  4. Step 4: Simplify right side
    1,197,856.40x = 1,545,564,645,652.56
  5. Step 5: Solve for x
    x = 1,545,564,645,652.56/1,197,856.40
  6. Step 6: Final answer
    x = 1,290,275.40

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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.