Home / 892,590.30-1,231,773.21-490,182.30

Finding the Fourth Proportional to 892,590.30, 1,231,773.21 and 490,182.30

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Solution

The fourth proportional to 892,590.30, 1,231,773.21 and 490,182.30 is: 676,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,590.30 : 1,231,773.21 = 490,182.30 : x
  2. Step 2: Convert to fraction form
    892,590.30/1,231,773.21 = 490,182.30/x
  3. Step 3: Cross multiply
    892,590.30x = 1,231,773.21 × 490,182.30
  4. Step 4: Simplify right side
    892,590.30x = 603,793,425,156.18
  5. Step 5: Solve for x
    x = 603,793,425,156.18/892,590.30
  6. Step 6: Final answer
    x = 676,450.80

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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.