Home / 977,690.70-1,466,536.05-809,729.10

Finding the Fourth Proportional to 977,690.70, 1,466,536.05 and 809,729.10

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Solution

The fourth proportional to 977,690.70, 1,466,536.05 and 809,729.10 is: 1,214,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,690.70 : 1,466,536.05 = 809,729.10 : x
  2. Step 2: Convert to fraction form
    977,690.70/1,466,536.05 = 809,729.10/x
  3. Step 3: Cross multiply
    977,690.70x = 1,466,536.05 × 809,729.10
  4. Step 4: Simplify right side
    977,690.70x = 1,187,496,915,884.06
  5. Step 5: Solve for x
    x = 1,187,496,915,884.06/977,690.70
  6. Step 6: Final answer
    x = 1,214,593.65

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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.