Home / 714,668.49-985,961.22-408,580.41

Finding the Fourth Proportional to 714,668.49, 985,961.22 and 408,580.41

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Solution

The fourth proportional to 714,668.49, 985,961.22 and 408,580.41 is: 563,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,668.49 : 985,961.22 = 408,580.41 : x
  2. Step 2: Convert to fraction form
    714,668.49/985,961.22 = 408,580.41/x
  3. Step 3: Cross multiply
    714,668.49x = 985,961.22 × 408,580.41
  4. Step 4: Simplify right side
    714,668.49x = 402,844,441,676.88
  5. Step 5: Solve for x
    x = 402,844,441,676.88/714,668.49
  6. Step 6: Final answer
    x = 563,680.15

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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.