Home / 1,282,216.20-1,921,769.10-571,489.80

Finding the Fourth Proportional to 1,282,216.20, 1,921,769.10 and 571,489.80

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Solution

The fourth proportional to 1,282,216.20, 1,921,769.10 and 571,489.80 is: 856,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,216.20 : 1,921,769.10 = 571,489.80 : x
  2. Step 2: Convert to fraction form
    1,282,216.20/1,921,769.10 = 571,489.80/x
  3. Step 3: Cross multiply
    1,282,216.20x = 1,921,769.10 × 571,489.80
  4. Step 4: Simplify right side
    1,282,216.20x = 1,098,271,438,605.18
  5. Step 5: Solve for x
    x = 1,098,271,438,605.18/1,282,216.20
  6. Step 6: Final answer
    x = 856,541.54

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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.