Home / 1,052,434.60-1,577,615.10-520,037.80

Finding the Fourth Proportional to 1,052,434.60, 1,577,615.10 and 520,037.80

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Solution

The fourth proportional to 1,052,434.60, 1,577,615.10 and 520,037.80 is: 779,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,434.60 : 1,577,615.10 = 520,037.80 : x
  2. Step 2: Convert to fraction form
    1,052,434.60/1,577,615.10 = 520,037.80/x
  3. Step 3: Cross multiply
    1,052,434.60x = 1,577,615.10 × 520,037.80
  4. Step 4: Simplify right side
    1,052,434.60x = 820,419,485,850.78
  5. Step 5: Solve for x
    x = 820,419,485,850.78/1,052,434.60
  6. Step 6: Final answer
    x = 779,544.39

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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.