Home / 827,962.60-1,143,023.46-557,452.84

Finding the Fourth Proportional to 827,962.60, 1,143,023.46 and 557,452.84

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Solution

The fourth proportional to 827,962.60, 1,143,023.46 and 557,452.84 is: 769,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,962.60 : 1,143,023.46 = 557,452.84 : x
  2. Step 2: Convert to fraction form
    827,962.60/1,143,023.46 = 557,452.84/x
  3. Step 3: Cross multiply
    827,962.60x = 1,143,023.46 × 557,452.84
  4. Step 4: Simplify right side
    827,962.60x = 637,181,673,963.63
  5. Step 5: Solve for x
    x = 637,181,673,963.63/827,962.60
  6. Step 6: Final answer
    x = 769,577.85

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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.