Home / 905,780.25-1,250,042.04-543,197.52

Finding the Fourth Proportional to 905,780.25, 1,250,042.04 and 543,197.52

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Solution

The fourth proportional to 905,780.25, 1,250,042.04 and 543,197.52 is: 749,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,780.25 : 1,250,042.04 = 543,197.52 : x
  2. Step 2: Convert to fraction form
    905,780.25/1,250,042.04 = 543,197.52/x
  3. Step 3: Cross multiply
    905,780.25x = 1,250,042.04 × 543,197.52
  4. Step 4: Simplify right side
    905,780.25x = 679,019,736,023.74
  5. Step 5: Solve for x
    x = 679,019,736,023.74/905,780.25
  6. Step 6: Final answer
    x = 749,651.74

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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.