Home / 558,388.98-837,676.86-438,441.06

Finding the Fourth Proportional to 558,388.98, 837,676.86 and 438,441.06

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Solution

The fourth proportional to 558,388.98, 837,676.86 and 438,441.06 is: 657,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,388.98 : 837,676.86 = 438,441.06 : x
  2. Step 2: Convert to fraction form
    558,388.98/837,676.86 = 438,441.06/x
  3. Step 3: Cross multiply
    558,388.98x = 837,676.86 × 438,441.06
  4. Step 4: Simplify right side
    558,388.98x = 367,271,930,435.87
  5. Step 5: Solve for x
    x = 367,271,930,435.87/558,388.98
  6. Step 6: Final answer
    x = 657,734.92

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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.