Home / 1,217,710.80-1,826,681.40-331,246.80

Finding the Fourth Proportional to 1,217,710.80, 1,826,681.40 and 331,246.80

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Solution

The fourth proportional to 1,217,710.80, 1,826,681.40 and 331,246.80 is: 496,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,710.80 : 1,826,681.40 = 331,246.80 : x
  2. Step 2: Convert to fraction form
    1,217,710.80/1,826,681.40 = 331,246.80/x
  3. Step 3: Cross multiply
    1,217,710.80x = 1,826,681.40 × 331,246.80
  4. Step 4: Simplify right side
    1,217,710.80x = 605,082,368,369.52
  5. Step 5: Solve for x
    x = 605,082,368,369.52/1,217,710.80
  6. Step 6: Final answer
    x = 496,901.54

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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.