Home / 784,949.44-1,083,200.16-445,397.44

Finding the Fourth Proportional to 784,949.44, 1,083,200.16 and 445,397.44

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Solution

The fourth proportional to 784,949.44, 1,083,200.16 and 445,397.44 is: 614,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,949.44 : 1,083,200.16 = 445,397.44 : x
  2. Step 2: Convert to fraction form
    784,949.44/1,083,200.16 = 445,397.44/x
  3. Step 3: Cross multiply
    784,949.44x = 1,083,200.16 × 445,397.44
  4. Step 4: Simplify right side
    784,949.44x = 482,454,578,271.59
  5. Step 5: Solve for x
    x = 482,454,578,271.59/784,949.44
  6. Step 6: Final answer
    x = 614,631.41

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Double scale
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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.