Home / 1,318,906.01-1,977,325.53-520,784.97

Finding the Fourth Proportional to 1,318,906.01, 1,977,325.53 and 520,784.97

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Solution

The fourth proportional to 1,318,906.01, 1,977,325.53 and 520,784.97 is: 780,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,906.01 : 1,977,325.53 = 520,784.97 : x
  2. Step 2: Convert to fraction form
    1,318,906.01/1,977,325.53 = 520,784.97/x
  3. Step 3: Cross multiply
    1,318,906.01x = 1,977,325.53 × 520,784.97
  4. Step 4: Simplify right side
    1,318,906.01x = 1,029,761,409,406.31
  5. Step 5: Solve for x
    x = 1,029,761,409,406.31/1,318,906.01
  6. Step 6: Final answer
    x = 780,769.36

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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.