Home / 1,319,115.75-1,977,341.51-634,997.85

Finding the Fourth Proportional to 1,319,115.75, 1,977,341.51 and 634,997.85

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Solution

The fourth proportional to 1,319,115.75, 1,977,341.51 and 634,997.85 is: 951,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,115.75 : 1,977,341.51 = 634,997.85 : x
  2. Step 2: Convert to fraction form
    1,319,115.75/1,977,341.51 = 634,997.85/x
  3. Step 3: Cross multiply
    1,319,115.75x = 1,977,341.51 × 634,997.85
  4. Step 4: Simplify right side
    1,319,115.75x = 1,255,607,601,738.22
  5. Step 5: Solve for x
    x = 1,255,607,601,738.22/1,319,115.75
  6. Step 6: Final answer
    x = 951,855.52

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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.