Home / 815,171.45-1,124,939.34-452,596.41

Finding the Fourth Proportional to 815,171.45, 1,124,939.34 and 452,596.41

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Solution

The fourth proportional to 815,171.45, 1,124,939.34 and 452,596.41 is: 624,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,171.45 : 1,124,939.34 = 452,596.41 : x
  2. Step 2: Convert to fraction form
    815,171.45/1,124,939.34 = 452,596.41/x
  3. Step 3: Cross multiply
    815,171.45x = 1,124,939.34 × 452,596.41
  4. Step 4: Simplify right side
    815,171.45x = 509,143,506,751.77
  5. Step 5: Solve for x
    x = 509,143,506,751.77/815,171.45
  6. Step 6: Final answer
    x = 624,584.57

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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.