Home / 535,890.41-803,909.53-198,902.41

Finding the Fourth Proportional to 535,890.41, 803,909.53 and 198,902.41

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Solution

The fourth proportional to 535,890.41, 803,909.53 and 198,902.41 is: 298,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,890.41 : 803,909.53 = 198,902.41 : x
  2. Step 2: Convert to fraction form
    535,890.41/803,909.53 = 198,902.41/x
  3. Step 3: Cross multiply
    535,890.41x = 803,909.53 × 198,902.41
  4. Step 4: Simplify right side
    535,890.41x = 159,899,543,998.23
  5. Step 5: Solve for x
    x = 159,899,543,998.23/535,890.41
  6. Step 6: Final answer
    x = 298,381.05

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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.