Home / 820,160.74-1,131,768.69-452,641.16

Finding the Fourth Proportional to 820,160.74, 1,131,768.69 and 452,641.16

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Solution

The fourth proportional to 820,160.74, 1,131,768.69 and 452,641.16 is: 624,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,160.74 : 1,131,768.69 = 452,641.16 : x
  2. Step 2: Convert to fraction form
    820,160.74/1,131,768.69 = 452,641.16/x
  3. Step 3: Cross multiply
    820,160.74x = 1,131,768.69 × 452,641.16
  4. Step 4: Simplify right side
    820,160.74x = 512,285,093,825.30
  5. Step 5: Solve for x
    x = 512,285,093,825.30/820,160.74
  6. Step 6: Final answer
    x = 624,615.48

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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.