Home / 753,010.12-1,039,175.22-447,011.56

Finding the Fourth Proportional to 753,010.12, 1,039,175.22 and 447,011.56

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Solution

The fourth proportional to 753,010.12, 1,039,175.22 and 447,011.56 is: 616,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,010.12 : 1,039,175.22 = 447,011.56 : x
  2. Step 2: Convert to fraction form
    753,010.12/1,039,175.22 = 447,011.56/x
  3. Step 3: Cross multiply
    753,010.12x = 1,039,175.22 × 447,011.56
  4. Step 4: Simplify right side
    753,010.12x = 464,523,336,205.54
  5. Step 5: Solve for x
    x = 464,523,336,205.54/753,010.12
  6. Step 6: Final answer
    x = 616,888.57

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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.