Home / 397,953.96-596,555.70-198,085.38

Finding the Fourth Proportional to 397,953.96, 596,555.70 and 198,085.38

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Solution

The fourth proportional to 397,953.96, 596,555.70 and 198,085.38 is: 296,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,953.96 : 596,555.70 = 198,085.38 : x
  2. Step 2: Convert to fraction form
    397,953.96/596,555.70 = 198,085.38/x
  3. Step 3: Cross multiply
    397,953.96x = 596,555.70 × 198,085.38
  4. Step 4: Simplify right side
    397,953.96x = 118,168,962,525.67
  5. Step 5: Solve for x
    x = 118,168,962,525.67/397,953.96
  6. Step 6: Final answer
    x = 296,941.29

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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.