Home / 829,298.05-1,144,784.41-557,523.56

Finding the Fourth Proportional to 829,298.05, 1,144,784.41 and 557,523.56

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Solution

The fourth proportional to 829,298.05, 1,144,784.41 and 557,523.56 is: 769,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,298.05 : 1,144,784.41 = 557,523.56 : x
  2. Step 2: Convert to fraction form
    829,298.05/1,144,784.41 = 557,523.56/x
  3. Step 3: Cross multiply
    829,298.05x = 1,144,784.41 × 557,523.56
  4. Step 4: Simplify right side
    829,298.05x = 638,244,281,163.85
  5. Step 5: Solve for x
    x = 638,244,281,163.85/829,298.05
  6. Step 6: Final answer
    x = 769,619.90

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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.