Home / 1,317,782.70-1,977,166.08-519,620.67

Finding the Fourth Proportional to 1,317,782.70, 1,977,166.08 and 519,620.67

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Solution

The fourth proportional to 1,317,782.70, 1,977,166.08 and 519,620.67 is: 779,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,782.70 : 1,977,166.08 = 519,620.67 : x
  2. Step 2: Convert to fraction form
    1,317,782.70/1,977,166.08 = 519,620.67/x
  3. Step 3: Cross multiply
    1,317,782.70x = 1,977,166.08 × 519,620.67
  4. Step 4: Simplify right side
    1,317,782.70x = 1,027,376,363,190.87
  5. Step 5: Solve for x
    x = 1,027,376,363,190.87/1,317,782.70
  6. Step 6: Final answer
    x = 779,625.02

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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.