Home / 689,412.40-951,446.59-383,546.41

Finding the Fourth Proportional to 689,412.40, 951,446.59 and 383,546.41

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Solution

The fourth proportional to 689,412.40, 951,446.59 and 383,546.41 is: 529,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,412.40 : 951,446.59 = 383,546.41 : x
  2. Step 2: Convert to fraction form
    689,412.40/951,446.59 = 383,546.41/x
  3. Step 3: Cross multiply
    689,412.40x = 951,446.59 × 383,546.41
  4. Step 4: Simplify right side
    689,412.40x = 364,923,920,563.76
  5. Step 5: Solve for x
    x = 364,923,920,563.76/689,412.40
  6. Step 6: Final answer
    x = 529,326.02

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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.