Home / 1,319,366.28-1,977,818.22-520,654.44

Finding the Fourth Proportional to 1,319,366.28, 1,977,818.22 and 520,654.44

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Solution

The fourth proportional to 1,319,366.28, 1,977,818.22 and 520,654.44 is: 780,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,366.28 : 1,977,818.22 = 520,654.44 : x
  2. Step 2: Convert to fraction form
    1,319,366.28/1,977,818.22 = 520,654.44/x
  3. Step 3: Cross multiply
    1,319,366.28x = 1,977,818.22 × 520,654.44
  4. Step 4: Simplify right side
    1,319,366.28x = 1,029,759,837,755.90
  5. Step 5: Solve for x
    x = 1,029,759,837,755.90/1,319,366.28
  6. Step 6: Final answer
    x = 780,495.80

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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.