Home / 849,343.75-1,172,113.86-481,845.48

Finding the Fourth Proportional to 849,343.75, 1,172,113.86 and 481,845.48

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Solution

The fourth proportional to 849,343.75, 1,172,113.86 and 481,845.48 is: 664,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,343.75 : 1,172,113.86 = 481,845.48 : x
  2. Step 2: Convert to fraction form
    849,343.75/1,172,113.86 = 481,845.48/x
  3. Step 3: Cross multiply
    849,343.75x = 1,172,113.86 × 481,845.48
  4. Step 4: Simplify right side
    849,343.75x = 564,777,765,486.35
  5. Step 5: Solve for x
    x = 564,777,765,486.35/849,343.75
  6. Step 6: Final answer
    x = 664,957.82

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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.