Home / 819,905.84-1,229,793.12-364,638.04

Finding the Fourth Proportional to 819,905.84, 1,229,793.12 and 364,638.04

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Solution

The fourth proportional to 819,905.84, 1,229,793.12 and 364,638.04 is: 546,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,905.84 : 1,229,793.12 = 364,638.04 : x
  2. Step 2: Convert to fraction form
    819,905.84/1,229,793.12 = 364,638.04/x
  3. Step 3: Cross multiply
    819,905.84x = 1,229,793.12 × 364,638.04
  4. Step 4: Simplify right side
    819,905.84x = 448,429,352,882.29
  5. Step 5: Solve for x
    x = 448,429,352,882.29/819,905.84
  6. Step 6: Final answer
    x = 546,927.87

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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.