Home / 901,605.75-1,244,254.82-499,197.75

Finding the Fourth Proportional to 901,605.75, 1,244,254.82 and 499,197.75

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Solution

The fourth proportional to 901,605.75, 1,244,254.82 and 499,197.75 is: 688,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,605.75 : 1,244,254.82 = 499,197.75 : x
  2. Step 2: Convert to fraction form
    901,605.75/1,244,254.82 = 499,197.75/x
  3. Step 3: Cross multiply
    901,605.75x = 1,244,254.82 × 499,197.75
  4. Step 4: Simplify right side
    901,605.75x = 621,129,204,074.67
  5. Step 5: Solve for x
    x = 621,129,204,074.67/901,605.75
  6. Step 6: Final answer
    x = 688,914.42

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Double scale
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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.