Home / 733,853.21-1,012,828.14-447,539.40

Finding the Fourth Proportional to 733,853.21, 1,012,828.14 and 447,539.40

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Solution

The fourth proportional to 733,853.21, 1,012,828.14 and 447,539.40 is: 617,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,853.21 : 1,012,828.14 = 447,539.40 : x
  2. Step 2: Convert to fraction form
    733,853.21/1,012,828.14 = 447,539.40/x
  3. Step 3: Cross multiply
    733,853.21x = 1,012,828.14 × 447,539.40
  4. Step 4: Simplify right side
    733,853.21x = 453,280,498,078.72
  5. Step 5: Solve for x
    x = 453,280,498,078.72/733,853.21
  6. Step 6: Final answer
    x = 617,671.89

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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.