Home / 890,531.70-1,336,672.35-441,759.30

Finding the Fourth Proportional to 890,531.70, 1,336,672.35 and 441,759.30

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Solution

The fourth proportional to 890,531.70, 1,336,672.35 and 441,759.30 is: 663,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,531.70 : 1,336,672.35 = 441,759.30 : x
  2. Step 2: Convert to fraction form
    890,531.70/1,336,672.35 = 441,759.30/x
  3. Step 3: Cross multiply
    890,531.70x = 1,336,672.35 × 441,759.30
  4. Step 4: Simplify right side
    890,531.70x = 590,487,441,665.36
  5. Step 5: Solve for x
    x = 590,487,441,665.36/890,531.70
  6. Step 6: Final answer
    x = 663,072.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.