Home / 753,209.22-1,039,579.59-447,455.45

Finding the Fourth Proportional to 753,209.22, 1,039,579.59 and 447,455.45

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Solution

The fourth proportional to 753,209.22, 1,039,579.59 and 447,455.45 is: 617,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,209.22 : 1,039,579.59 = 447,455.45 : x
  2. Step 2: Convert to fraction form
    753,209.22/1,039,579.59 = 447,455.45/x
  3. Step 3: Cross multiply
    753,209.22x = 1,039,579.59 × 447,455.45
  4. Step 4: Simplify right side
    753,209.22x = 465,165,548,056.37
  5. Step 5: Solve for x
    x = 465,165,548,056.37/753,209.22
  6. Step 6: Final answer
    x = 617,578.14

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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.