Home / 1,217,765.20-1,826,647.80-657,893.20

Finding the Fourth Proportional to 1,217,765.20, 1,826,647.80 and 657,893.20

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Solution

The fourth proportional to 1,217,765.20, 1,826,647.80 and 657,893.20 is: 986,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,765.20 : 1,826,647.80 = 657,893.20 : x
  2. Step 2: Convert to fraction form
    1,217,765.20/1,826,647.80 = 657,893.20/x
  3. Step 3: Cross multiply
    1,217,765.20x = 1,826,647.80 × 657,893.20
  4. Step 4: Simplify right side
    1,217,765.20x = 1,201,739,166,414.96
  5. Step 5: Solve for x
    x = 1,201,739,166,414.96/1,217,765.20
  6. Step 6: Final answer
    x = 986,839.80

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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.