Home / 829,295.35-1,144,780.69-557,520.87

Finding the Fourth Proportional to 829,295.35, 1,144,780.69 and 557,520.87

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Solution

The fourth proportional to 829,295.35, 1,144,780.69 and 557,520.87 is: 769,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,295.35 : 1,144,780.69 = 557,520.87 : x
  2. Step 2: Convert to fraction form
    829,295.35/1,144,780.69 = 557,520.87/x
  3. Step 3: Cross multiply
    829,295.35x = 1,144,780.69 × 557,520.87
  4. Step 4: Simplify right side
    829,295.35x = 638,239,123,753.09
  5. Step 5: Solve for x
    x = 638,239,123,753.09/829,295.35
  6. Step 6: Final answer
    x = 769,616.19

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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.