Home / 829,299.05-1,144,785.79-557,524.56

Finding the Fourth Proportional to 829,299.05, 1,144,785.79 and 557,524.56

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Solution

The fourth proportional to 829,299.05, 1,144,785.79 and 557,524.56 is: 769,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,299.05 : 1,144,785.79 = 557,524.56 : x
  2. Step 2: Convert to fraction form
    829,299.05/1,144,785.79 = 557,524.56/x
  3. Step 3: Cross multiply
    829,299.05x = 1,144,785.79 × 557,524.56
  4. Step 4: Simplify right side
    829,299.05x = 638,246,193,864.00
  5. Step 5: Solve for x
    x = 638,246,193,864.00/829,299.05
  6. Step 6: Final answer
    x = 769,621.28

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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.