Home / 743,535.50-1,115,301.06-211,056.98

Finding the Fourth Proportional to 743,535.50, 1,115,301.06 and 211,056.98

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Solution

The fourth proportional to 743,535.50, 1,115,301.06 and 211,056.98 is: 316,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,535.50 : 1,115,301.06 = 211,056.98 : x
  2. Step 2: Convert to fraction form
    743,535.50/1,115,301.06 = 211,056.98/x
  3. Step 3: Cross multiply
    743,535.50x = 1,115,301.06 × 211,056.98
  4. Step 4: Simplify right side
    743,535.50x = 235,392,073,514.40
  5. Step 5: Solve for x
    x = 235,392,073,514.40/743,535.50
  6. Step 6: Final answer
    x = 316,584.85

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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.