Home / 1,217,322.90-1,826,621.10-498,198.42

Finding the Fourth Proportional to 1,217,322.90, 1,826,621.10 and 498,198.42

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Solution

The fourth proportional to 1,217,322.90, 1,826,621.10 and 498,198.42 is: 747,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,322.90 : 1,826,621.10 = 498,198.42 : x
  2. Step 2: Convert to fraction form
    1,217,322.90/1,826,621.10 = 498,198.42/x
  3. Step 3: Cross multiply
    1,217,322.90x = 1,826,621.10 × 498,198.42
  4. Step 4: Simplify right side
    1,217,322.90x = 910,019,745,958.66
  5. Step 5: Solve for x
    x = 910,019,745,958.66/1,217,322.90
  6. Step 6: Final answer
    x = 747,558.22

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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.