Home / 814,336.96-1,221,511.93-334,441.12

Finding the Fourth Proportional to 814,336.96, 1,221,511.93 and 334,441.12

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Solution

The fourth proportional to 814,336.96, 1,221,511.93 and 334,441.12 is: 501,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,336.96 : 1,221,511.93 = 334,441.12 : x
  2. Step 2: Convert to fraction form
    814,336.96/1,221,511.93 = 334,441.12/x
  3. Step 3: Cross multiply
    814,336.96x = 1,221,511.93 × 334,441.12
  4. Step 4: Simplify right side
    814,336.96x = 408,523,817,962.56
  5. Step 5: Solve for x
    x = 408,523,817,962.56/814,336.96
  6. Step 6: Final answer
    x = 501,664.35

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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.