Home / 783,448.80-1,175,211.60-410,200.80

Finding the Fourth Proportional to 783,448.80, 1,175,211.60 and 410,200.80

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Solution

The fourth proportional to 783,448.80, 1,175,211.60 and 410,200.80 is: 615,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,448.80 : 1,175,211.60 = 410,200.80 : x
  2. Step 2: Convert to fraction form
    783,448.80/1,175,211.60 = 410,200.80/x
  3. Step 3: Cross multiply
    783,448.80x = 1,175,211.60 × 410,200.80
  4. Step 4: Simplify right side
    783,448.80x = 482,072,738,489.28
  5. Step 5: Solve for x
    x = 482,072,738,489.28/783,448.80
  6. Step 6: Final answer
    x = 615,321.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.