Home / 819,244.06-1,228,420.98-369,438.38

Finding the Fourth Proportional to 819,244.06, 1,228,420.98 and 369,438.38

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Solution

The fourth proportional to 819,244.06, 1,228,420.98 and 369,438.38 is: 553,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,244.06 : 1,228,420.98 = 369,438.38 : x
  2. Step 2: Convert to fraction form
    819,244.06/1,228,420.98 = 369,438.38/x
  3. Step 3: Cross multiply
    819,244.06x = 1,228,420.98 × 369,438.38
  4. Step 4: Simplify right side
    819,244.06x = 453,825,856,809.21
  5. Step 5: Solve for x
    x = 453,825,856,809.21/819,244.06
  6. Step 6: Final answer
    x = 553,956.85

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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.