Home / 892,304.91-1,338,457.33-261,218.72

Finding the Fourth Proportional to 892,304.91, 1,338,457.33 and 261,218.72

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Solution

The fourth proportional to 892,304.91, 1,338,457.33 and 261,218.72 is: 391,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,304.91 : 1,338,457.33 = 261,218.72 : x
  2. Step 2: Convert to fraction form
    892,304.91/1,338,457.33 = 261,218.72/x
  3. Step 3: Cross multiply
    892,304.91x = 1,338,457.33 × 261,218.72
  4. Step 4: Simplify right side
    892,304.91x = 349,630,114,189.88
  5. Step 5: Solve for x
    x = 349,630,114,189.88/892,304.91
  6. Step 6: Final answer
    x = 391,828.07

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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.