Home / 531,237.29-733,086.07-289,514.66

Finding the Fourth Proportional to 531,237.29, 733,086.07 and 289,514.66

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Solution

The fourth proportional to 531,237.29, 733,086.07 and 289,514.66 is: 399,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,237.29 : 733,086.07 = 289,514.66 : x
  2. Step 2: Convert to fraction form
    531,237.29/733,086.07 = 289,514.66/x
  3. Step 3: Cross multiply
    531,237.29x = 733,086.07 × 289,514.66
  4. Step 4: Simplify right side
    531,237.29x = 212,239,164,306.79
  5. Step 5: Solve for x
    x = 212,239,164,306.79/531,237.29
  6. Step 6: Final answer
    x = 399,518.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.