Home / 889,998.75-1,228,204.22-482,100.62

Finding the Fourth Proportional to 889,998.75, 1,228,204.22 and 482,100.62

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Solution

The fourth proportional to 889,998.75, 1,228,204.22 and 482,100.62 is: 665,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,998.75 : 1,228,204.22 = 482,100.62 : x
  2. Step 2: Convert to fraction form
    889,998.75/1,228,204.22 = 482,100.62/x
  3. Step 3: Cross multiply
    889,998.75x = 1,228,204.22 × 482,100.62
  4. Step 4: Simplify right side
    889,998.75x = 592,118,007,397.09
  5. Step 5: Solve for x
    x = 592,118,007,397.09/889,998.75
  6. Step 6: Final answer
    x = 665,302.07

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Double scale
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Similar ratio
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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.