Home / 1,535,912.55-2,119,560.21-856,849.05

Finding the Fourth Proportional to 1,535,912.55, 2,119,560.21 and 856,849.05

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Solution

The fourth proportional to 1,535,912.55, 2,119,560.21 and 856,849.05 is: 1,182,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,912.55 : 2,119,560.21 = 856,849.05 : x
  2. Step 2: Convert to fraction form
    1,535,912.55/2,119,560.21 = 856,849.05/x
  3. Step 3: Cross multiply
    1,535,912.55x = 2,119,560.21 × 856,849.05
  4. Step 4: Simplify right side
    1,535,912.55x = 1,816,143,152,356.30
  5. Step 5: Solve for x
    x = 1,816,143,152,356.30/1,535,912.55
  6. Step 6: Final answer
    x = 1,182,452.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.