Home / 816,315.60-1,126,467.26-453,727.02

Finding the Fourth Proportional to 816,315.60, 1,126,467.26 and 453,727.02

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Solution

The fourth proportional to 816,315.60, 1,126,467.26 and 453,727.02 is: 626,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,315.60 : 1,126,467.26 = 453,727.02 : x
  2. Step 2: Convert to fraction form
    816,315.60/1,126,467.26 = 453,727.02/x
  3. Step 3: Cross multiply
    816,315.60x = 1,126,467.26 × 453,727.02
  4. Step 4: Simplify right side
    816,315.60x = 511,108,633,007.37
  5. Step 5: Solve for x
    x = 511,108,633,007.37/816,315.60
  6. Step 6: Final answer
    x = 626,116.46

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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.