Home / 1,009,704.32-1,393,266.87-617,434.43

Finding the Fourth Proportional to 1,009,704.32, 1,393,266.87 and 617,434.43

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Solution

The fourth proportional to 1,009,704.32, 1,393,266.87 and 617,434.43 is: 851,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,704.32 : 1,393,266.87 = 617,434.43 : x
  2. Step 2: Convert to fraction form
    1,009,704.32/1,393,266.87 = 617,434.43/x
  3. Step 3: Cross multiply
    1,009,704.32x = 1,393,266.87 × 617,434.43
  4. Step 4: Simplify right side
    1,009,704.32x = 860,250,928,750.00
  5. Step 5: Solve for x
    x = 860,250,928,750.00/1,009,704.32
  6. Step 6: Final answer
    x = 851,983.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.