Home / 746,334.76-1,029,936.72-406,805.44

Finding the Fourth Proportional to 746,334.76, 1,029,936.72 and 406,805.44

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Solution

The fourth proportional to 746,334.76, 1,029,936.72 and 406,805.44 is: 561,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,334.76 : 1,029,936.72 = 406,805.44 : x
  2. Step 2: Convert to fraction form
    746,334.76/1,029,936.72 = 406,805.44/x
  3. Step 3: Cross multiply
    746,334.76x = 1,029,936.72 × 406,805.44
  4. Step 4: Simplify right side
    746,334.76x = 418,983,860,551.76
  5. Step 5: Solve for x
    x = 418,983,860,551.76/746,334.76
  6. Step 6: Final answer
    x = 561,388.65

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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.