Home / 671,644.20-1,007,466.30-632,245.80

Finding the Fourth Proportional to 671,644.20, 1,007,466.30 and 632,245.80

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Solution

The fourth proportional to 671,644.20, 1,007,466.30 and 632,245.80 is: 948,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,644.20 : 1,007,466.30 = 632,245.80 : x
  2. Step 2: Convert to fraction form
    671,644.20/1,007,466.30 = 632,245.80/x
  3. Step 3: Cross multiply
    671,644.20x = 1,007,466.30 × 632,245.80
  4. Step 4: Simplify right side
    671,644.20x = 636,966,336,816.54
  5. Step 5: Solve for x
    x = 636,966,336,816.54/671,644.20
  6. Step 6: Final answer
    x = 948,368.70

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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.