Home / 820,671.49-1,132,522.33-476,592.02

Finding the Fourth Proportional to 820,671.49, 1,132,522.33 and 476,592.02

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Solution

The fourth proportional to 820,671.49, 1,132,522.33 and 476,592.02 is: 657,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,671.49 : 1,132,522.33 = 476,592.02 : x
  2. Step 2: Convert to fraction form
    820,671.49/1,132,522.33 = 476,592.02/x
  3. Step 3: Cross multiply
    820,671.49x = 1,132,522.33 × 476,592.02
  4. Step 4: Simplify right side
    820,671.49x = 539,751,103,758.33
  5. Step 5: Solve for x
    x = 539,751,103,758.33/820,671.49
  6. Step 6: Final answer
    x = 657,694.48

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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.