Home / 1,431,644.40-2,142,793.68-1,052,464.76

Finding the Fourth Proportional to 1,431,644.40, 2,142,793.68 and 1,052,464.76

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Solution

The fourth proportional to 1,431,644.40, 2,142,793.68 and 1,052,464.76 is: 1,575,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,644.40 : 2,142,793.68 = 1,052,464.76 : x
  2. Step 2: Convert to fraction form
    1,431,644.40/2,142,793.68 = 1,052,464.76/x
  3. Step 3: Cross multiply
    1,431,644.40x = 2,142,793.68 × 1,052,464.76
  4. Step 4: Simplify right side
    1,431,644.40x = 2,255,214,836,150.72
  5. Step 5: Solve for x
    x = 2,255,214,836,150.72/1,431,644.40
  6. Step 6: Final answer
    x = 1,575,261.87

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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.