Home / 816,476.51-1,126,776.02-453,906.41

Finding the Fourth Proportional to 816,476.51, 1,126,776.02 and 453,906.41

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Solution

The fourth proportional to 816,476.51, 1,126,776.02 and 453,906.41 is: 626,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,476.51 : 1,126,776.02 = 453,906.41 : x
  2. Step 2: Convert to fraction form
    816,476.51/1,126,776.02 = 453,906.41/x
  3. Step 3: Cross multiply
    816,476.51x = 1,126,776.02 × 453,906.41
  4. Step 4: Simplify right side
    816,476.51x = 511,450,850,208.88
  5. Step 5: Solve for x
    x = 511,450,850,208.88/816,476.51
  6. Step 6: Final answer
    x = 626,412.20

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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.