Home / 644,818.40-967,227.60-201,586.40

Finding the Fourth Proportional to 644,818.40, 967,227.60 and 201,586.40

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Solution

The fourth proportional to 644,818.40, 967,227.60 and 201,586.40 is: 302,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,818.40 : 967,227.60 = 201,586.40 : x
  2. Step 2: Convert to fraction form
    644,818.40/967,227.60 = 201,586.40/x
  3. Step 3: Cross multiply
    644,818.40x = 967,227.60 × 201,586.40
  4. Step 4: Simplify right side
    644,818.40x = 194,979,929,864.64
  5. Step 5: Solve for x
    x = 194,979,929,864.64/644,818.40
  6. Step 6: Final answer
    x = 302,379.60

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Similar ratio
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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.