Home / 626,100.76-863,060.37-383,934.28

Finding the Fourth Proportional to 626,100.76, 863,060.37 and 383,934.28

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Solution

The fourth proportional to 626,100.76, 863,060.37 and 383,934.28 is: 529,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,100.76 : 863,060.37 = 383,934.28 : x
  2. Step 2: Convert to fraction form
    626,100.76/863,060.37 = 383,934.28/x
  3. Step 3: Cross multiply
    626,100.76x = 863,060.37 × 383,934.28
  4. Step 4: Simplify right side
    626,100.76x = 331,358,461,752.48
  5. Step 5: Solve for x
    x = 331,358,461,752.48/626,100.76
  6. Step 6: Final answer
    x = 529,241.43

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1.5x scale

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.