Home / 598,490.88-825,917.04-383,630.76

Finding the Fourth Proportional to 598,490.88, 825,917.04 and 383,630.76

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Solution

The fourth proportional to 598,490.88, 825,917.04 and 383,630.76 is: 529,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,490.88 : 825,917.04 = 383,630.76 : x
  2. Step 2: Convert to fraction form
    598,490.88/825,917.04 = 383,630.76/x
  3. Step 3: Cross multiply
    598,490.88x = 825,917.04 × 383,630.76
  4. Step 4: Simplify right side
    598,490.88x = 316,847,181,752.15
  5. Step 5: Solve for x
    x = 316,847,181,752.15/598,490.88
  6. Step 6: Final answer
    x = 529,410.21

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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.