Home / 1,753,977.60-2,630,188.80-807,638.40

Finding the Fourth Proportional to 1,753,977.60, 2,630,188.80 and 807,638.40

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Solution

The fourth proportional to 1,753,977.60, 2,630,188.80 and 807,638.40 is: 1,211,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,977.60 : 2,630,188.80 = 807,638.40 : x
  2. Step 2: Convert to fraction form
    1,753,977.60/2,630,188.80 = 807,638.40/x
  3. Step 3: Cross multiply
    1,753,977.60x = 2,630,188.80 × 807,638.40
  4. Step 4: Simplify right side
    1,753,977.60x = 2,124,241,474,129.92
  5. Step 5: Solve for x
    x = 2,124,241,474,129.92/1,753,977.60
  6. Step 6: Final answer
    x = 1,211,099.55

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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.