Home / 2,584,430.40-3,876,645.60-665,337.90

Finding the Fourth Proportional to 2,584,430.40, 3,876,645.60 and 665,337.90

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Solution

The fourth proportional to 2,584,430.40, 3,876,645.60 and 665,337.90 is: 998,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584,430.40 : 3,876,645.60 = 665,337.90 : x
  2. Step 2: Convert to fraction form
    2,584,430.40/3,876,645.60 = 665,337.90/x
  3. Step 3: Cross multiply
    2,584,430.40x = 3,876,645.60 × 665,337.90
  4. Step 4: Simplify right side
    2,584,430.40x = 2,579,279,242,548.24
  5. Step 5: Solve for x
    x = 2,579,279,242,548.24/2,584,430.40
  6. Step 6: Final answer
    x = 998,006.85

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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.