Home / 885,311.40-1,327,794.30-294,335.40

Finding the Fourth Proportional to 885,311.40, 1,327,794.30 and 294,335.40

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Solution

The fourth proportional to 885,311.40, 1,327,794.30 and 294,335.40 is: 441,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,311.40 : 1,327,794.30 = 294,335.40 : x
  2. Step 2: Convert to fraction form
    885,311.40/1,327,794.30 = 294,335.40/x
  3. Step 3: Cross multiply
    885,311.40x = 1,327,794.30 × 294,335.40
  4. Step 4: Simplify right side
    885,311.40x = 390,816,866,408.22
  5. Step 5: Solve for x
    x = 390,816,866,408.22/885,311.40
  6. Step 6: Final answer
    x = 441,445.65

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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.