Home / 1,217,136.30-1,825,704.45-330,672.30

Finding the Fourth Proportional to 1,217,136.30, 1,825,704.45 and 330,672.30

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Solution

The fourth proportional to 1,217,136.30, 1,825,704.45 and 330,672.30 is: 496,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,136.30 : 1,825,704.45 = 330,672.30 : x
  2. Step 2: Convert to fraction form
    1,217,136.30/1,825,704.45 = 330,672.30/x
  3. Step 3: Cross multiply
    1,217,136.30x = 1,825,704.45 × 330,672.30
  4. Step 4: Simplify right side
    1,217,136.30x = 603,709,889,601.74
  5. Step 5: Solve for x
    x = 603,709,889,601.74/1,217,136.30
  6. Step 6: Final answer
    x = 496,008.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.