Home / 814,256.20-1,123,680.30-451,703.80

Finding the Fourth Proportional to 814,256.20, 1,123,680.30 and 451,703.80

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Solution

The fourth proportional to 814,256.20, 1,123,680.30 and 451,703.80 is: 623,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,256.20 : 1,123,680.30 = 451,703.80 : x
  2. Step 2: Convert to fraction form
    814,256.20/1,123,680.30 = 451,703.80/x
  3. Step 3: Cross multiply
    814,256.20x = 1,123,680.30 × 451,703.80
  4. Step 4: Simplify right side
    814,256.20x = 507,570,661,495.14
  5. Step 5: Solve for x
    x = 507,570,661,495.14/814,256.20
  6. Step 6: Final answer
    x = 623,354.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.