Home / 849,453.44-1,172,220.16-467,479.68

Finding the Fourth Proportional to 849,453.44, 1,172,220.16 and 467,479.68

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Solution

The fourth proportional to 849,453.44, 1,172,220.16 and 467,479.68 is: 645,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,453.44 : 1,172,220.16 = 467,479.68 : x
  2. Step 2: Convert to fraction form
    849,453.44/1,172,220.16 = 467,479.68/x
  3. Step 3: Cross multiply
    849,453.44x = 1,172,220.16 × 467,479.68
  4. Step 4: Simplify right side
    849,453.44x = 547,989,105,286.35
  5. Step 5: Solve for x
    x = 547,989,105,286.35/849,453.44
  6. Step 6: Final answer
    x = 645,107.88

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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.