Home / 814,085.32-1,123,506.54-451,625.84

Finding the Fourth Proportional to 814,085.32, 1,123,506.54 and 451,625.84

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Solution

The fourth proportional to 814,085.32, 1,123,506.54 and 451,625.84 is: 623,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,085.32 : 1,123,506.54 = 451,625.84 : x
  2. Step 2: Convert to fraction form
    814,085.32/1,123,506.54 = 451,625.84/x
  3. Step 3: Cross multiply
    814,085.32x = 1,123,506.54 × 451,625.84
  4. Step 4: Simplify right side
    814,085.32x = 507,404,584,872.99
  5. Step 5: Solve for x
    x = 507,404,584,872.99/814,085.32
  6. Step 6: Final answer
    x = 623,281.83

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Double scale
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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.