Home / 644,024.20-966,036.30-194,814.40

Finding the Fourth Proportional to 644,024.20, 966,036.30 and 194,814.40

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Solution

The fourth proportional to 644,024.20, 966,036.30 and 194,814.40 is: 292,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,024.20 : 966,036.30 = 194,814.40 : x
  2. Step 2: Convert to fraction form
    644,024.20/966,036.30 = 194,814.40/x
  3. Step 3: Cross multiply
    644,024.20x = 966,036.30 × 194,814.40
  4. Step 4: Simplify right side
    644,024.20x = 188,197,782,162.72
  5. Step 5: Solve for x
    x = 188,197,782,162.72/644,024.20
  6. Step 6: Final answer
    x = 292,221.60

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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.