Home / 838,771.35-1,256,912.87-616,066.71

Finding the Fourth Proportional to 838,771.35, 1,256,912.87 and 616,066.71

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Solution

The fourth proportional to 838,771.35, 1,256,912.87 and 616,066.71 is: 923,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,771.35 : 1,256,912.87 = 616,066.71 : x
  2. Step 2: Convert to fraction form
    838,771.35/1,256,912.87 = 616,066.71/x
  3. Step 3: Cross multiply
    838,771.35x = 1,256,912.87 × 616,066.71
  4. Step 4: Simplify right side
    838,771.35x = 774,342,173,497.22
  5. Step 5: Solve for x
    x = 774,342,173,497.22/838,771.35
  6. Step 6: Final answer
    x = 923,186.25

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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.