Home / 472,183.40-651,594.10-257,318.86

Finding the Fourth Proportional to 472,183.40, 651,594.10 and 257,318.86

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Solution

The fourth proportional to 472,183.40, 651,594.10 and 257,318.86 is: 355,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,183.40 : 651,594.10 = 257,318.86 : x
  2. Step 2: Convert to fraction form
    472,183.40/651,594.10 = 257,318.86/x
  3. Step 3: Cross multiply
    472,183.40x = 651,594.10 × 257,318.86
  4. Step 4: Simplify right side
    472,183.40x = 167,667,450,994.73
  5. Step 5: Solve for x
    x = 167,667,450,994.73/472,183.40
  6. Step 6: Final answer
    x = 355,089.68

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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.