Home / 535,660.70-803,403.36-198,622.13

Finding the Fourth Proportional to 535,660.70, 803,403.36 and 198,622.13

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Solution

The fourth proportional to 535,660.70, 803,403.36 and 198,622.13 is: 297,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,660.70 : 803,403.36 = 198,622.13 : x
  2. Step 2: Convert to fraction form
    535,660.70/803,403.36 = 198,622.13/x
  3. Step 3: Cross multiply
    535,660.70x = 803,403.36 × 198,622.13
  4. Step 4: Simplify right side
    535,660.70x = 159,573,682,595.34
  5. Step 5: Solve for x
    x = 159,573,682,595.34/535,660.70
  6. Step 6: Final answer
    x = 297,900.67

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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.