Home / 626,101.26-863,061.06-383,934.78

Finding the Fourth Proportional to 626,101.26, 863,061.06 and 383,934.78

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Solution

The fourth proportional to 626,101.26, 863,061.06 and 383,934.78 is: 529,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,101.26 : 863,061.06 = 383,934.78 : x
  2. Step 2: Convert to fraction form
    626,101.26/863,061.06 = 383,934.78/x
  3. Step 3: Cross multiply
    626,101.26x = 863,061.06 × 383,934.78
  4. Step 4: Simplify right side
    626,101.26x = 331,359,158,197.67
  5. Step 5: Solve for x
    x = 331,359,158,197.67/626,101.26
  6. Step 6: Final answer
    x = 529,242.12

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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.