Home / 815,612.56-1,125,514.28-453,059.80

Finding the Fourth Proportional to 815,612.56, 1,125,514.28 and 453,059.80

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Solution

The fourth proportional to 815,612.56, 1,125,514.28 and 453,059.80 is: 625,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,612.56 : 1,125,514.28 = 453,059.80 : x
  2. Step 2: Convert to fraction form
    815,612.56/1,125,514.28 = 453,059.80/x
  3. Step 3: Cross multiply
    815,612.56x = 1,125,514.28 × 453,059.80
  4. Step 4: Simplify right side
    815,612.56x = 509,925,274,593.94
  5. Step 5: Solve for x
    x = 509,925,274,593.94/815,612.56
  6. Step 6: Final answer
    x = 625,205.27

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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.