Home / 815,689.59-1,125,620.33-453,136.27

Finding the Fourth Proportional to 815,689.59, 1,125,620.33 and 453,136.27

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Solution

The fourth proportional to 815,689.59, 1,125,620.33 and 453,136.27 is: 625,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,689.59 : 1,125,620.33 = 453,136.27 : x
  2. Step 2: Convert to fraction form
    815,689.59/1,125,620.33 = 453,136.27/x
  3. Step 3: Cross multiply
    815,689.59x = 1,125,620.33 × 453,136.27
  4. Step 4: Simplify right side
    815,689.59x = 510,059,397,772.37
  5. Step 5: Solve for x
    x = 510,059,397,772.37/815,689.59
  6. Step 6: Final answer
    x = 625,310.67

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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.