Home / 557,475.96-769,552.20-376,433.04

Finding the Fourth Proportional to 557,475.96, 769,552.20 and 376,433.04

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Solution

The fourth proportional to 557,475.96, 769,552.20 and 376,433.04 is: 519,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,475.96 : 769,552.20 = 376,433.04 : x
  2. Step 2: Convert to fraction form
    557,475.96/769,552.20 = 376,433.04/x
  3. Step 3: Cross multiply
    557,475.96x = 769,552.20 × 376,433.04
  4. Step 4: Simplify right side
    557,475.96x = 289,684,874,084.69
  5. Step 5: Solve for x
    x = 289,684,874,084.69/557,475.96
  6. Step 6: Final answer
    x = 519,636.53

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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.