Home / 1,171,931.60-1,753,231.80-1,015,893.20

Finding the Fourth Proportional to 1,171,931.60, 1,753,231.80 and 1,015,893.20

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Solution

The fourth proportional to 1,171,931.60, 1,753,231.80 and 1,015,893.20 is: 1,519,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,931.60 : 1,753,231.80 = 1,015,893.20 : x
  2. Step 2: Convert to fraction form
    1,171,931.60/1,753,231.80 = 1,015,893.20/x
  3. Step 3: Cross multiply
    1,171,931.60x = 1,753,231.80 × 1,015,893.20
  4. Step 4: Simplify right side
    1,171,931.60x = 1,781,096,263,643.76
  5. Step 5: Solve for x
    x = 1,781,096,263,643.76/1,171,931.60
  6. Step 6: Final answer
    x = 1,519,795.41

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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.