Home / 683,776.57-1,025,678.05-210,461.44

Finding the Fourth Proportional to 683,776.57, 1,025,678.05 and 210,461.44

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Solution

The fourth proportional to 683,776.57, 1,025,678.05 and 210,461.44 is: 315,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,776.57 : 1,025,678.05 = 210,461.44 : x
  2. Step 2: Convert to fraction form
    683,776.57/1,025,678.05 = 210,461.44/x
  3. Step 3: Cross multiply
    683,776.57x = 1,025,678.05 × 210,461.44
  4. Step 4: Simplify right side
    683,776.57x = 215,865,679,379.39
  5. Step 5: Solve for x
    x = 215,865,679,379.39/683,776.57
  6. Step 6: Final answer
    x = 315,696.22

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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.