Home / 816,596.37-1,126,901.97-454,008.78

Finding the Fourth Proportional to 816,596.37, 1,126,901.97 and 454,008.78

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Solution

The fourth proportional to 816,596.37, 1,126,901.97 and 454,008.78 is: 626,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,596.37 : 1,126,901.97 = 454,008.78 : x
  2. Step 2: Convert to fraction form
    816,596.37/1,126,901.97 = 454,008.78/x
  3. Step 3: Cross multiply
    816,596.37x = 1,126,901.97 × 454,008.78
  4. Step 4: Simplify right side
    816,596.37x = 511,623,388,579.30
  5. Step 5: Solve for x
    x = 511,623,388,579.30/816,596.37
  6. Step 6: Final answer
    x = 626,531.55

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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.