Home / 644,091.40-966,132.30-194,811.40

Finding the Fourth Proportional to 644,091.40, 966,132.30 and 194,811.40

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Solution

The fourth proportional to 644,091.40, 966,132.30 and 194,811.40 is: 292,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,091.40 : 966,132.30 = 194,811.40 : x
  2. Step 2: Convert to fraction form
    644,091.40/966,132.30 = 194,811.40/x
  3. Step 3: Cross multiply
    644,091.40x = 966,132.30 × 194,811.40
  4. Step 4: Simplify right side
    644,091.40x = 188,213,585,948.22
  5. Step 5: Solve for x
    x = 188,213,585,948.22/644,091.40
  6. Step 6: Final answer
    x = 292,215.65

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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.