Home / 892,599.30-1,231,785.63-490,191.30

Finding the Fourth Proportional to 892,599.30, 1,231,785.63 and 490,191.30

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Solution

The fourth proportional to 892,599.30, 1,231,785.63 and 490,191.30 is: 676,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,599.30 : 1,231,785.63 = 490,191.30 : x
  2. Step 2: Convert to fraction form
    892,599.30/1,231,785.63 = 490,191.30/x
  3. Step 3: Cross multiply
    892,599.30x = 1,231,785.63 × 490,191.30
  4. Step 4: Simplify right side
    892,599.30x = 603,810,599,291.02
  5. Step 5: Solve for x
    x = 603,810,599,291.02/892,599.30
  6. Step 6: Final answer
    x = 676,463.22

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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.