Home / 928,155.74-1,392,033.08-329,136.44

Finding the Fourth Proportional to 928,155.74, 1,392,033.08 and 329,136.44

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Solution

The fourth proportional to 928,155.74, 1,392,033.08 and 329,136.44 is: 493,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,155.74 : 1,392,033.08 = 329,136.44 : x
  2. Step 2: Convert to fraction form
    928,155.74/1,392,033.08 = 329,136.44/x
  3. Step 3: Cross multiply
    928,155.74x = 1,392,033.08 × 329,136.44
  4. Step 4: Simplify right side
    928,155.74x = 458,168,812,313.44
  5. Step 5: Solve for x
    x = 458,168,812,313.44/928,155.74
  6. Step 6: Final answer
    x = 493,633.55

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Double scale
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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.