Home / 1,135,865.55-1,704,727.80-1,127,008.20

Finding the Fourth Proportional to 1,135,865.55, 1,704,727.80 and 1,127,008.20

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Solution

The fourth proportional to 1,135,865.55, 1,704,727.80 and 1,127,008.20 is: 1,691,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,865.55 : 1,704,727.80 = 1,127,008.20 : x
  2. Step 2: Convert to fraction form
    1,135,865.55/1,704,727.80 = 1,127,008.20/x
  3. Step 3: Cross multiply
    1,135,865.55x = 1,704,727.80 × 1,127,008.20
  4. Step 4: Simplify right side
    1,135,865.55x = 1,921,242,209,367.96
  5. Step 5: Solve for x
    x = 1,921,242,209,367.96/1,135,865.55
  6. Step 6: Final answer
    x = 1,691,434.53

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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.