Home / 1,313,847.84-1,970,771.76-316,575.84

Finding the Fourth Proportional to 1,313,847.84, 1,970,771.76 and 316,575.84

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Solution

The fourth proportional to 1,313,847.84, 1,970,771.76 and 316,575.84 is: 474,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,847.84 : 1,970,771.76 = 316,575.84 : x
  2. Step 2: Convert to fraction form
    1,313,847.84/1,970,771.76 = 316,575.84/x
  3. Step 3: Cross multiply
    1,313,847.84x = 1,970,771.76 × 316,575.84
  4. Step 4: Simplify right side
    1,313,847.84x = 623,898,725,370.28
  5. Step 5: Solve for x
    x = 623,898,725,370.28/1,313,847.84
  6. Step 6: Final answer
    x = 474,863.76

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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.