Home / 457,499.14-686,412.05-277,950.85

Finding the Fourth Proportional to 457,499.14, 686,412.05 and 277,950.85

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Solution

The fourth proportional to 457,499.14, 686,412.05 and 277,950.85 is: 417,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,499.14 : 686,412.05 = 277,950.85 : x
  2. Step 2: Convert to fraction form
    457,499.14/686,412.05 = 277,950.85/x
  3. Step 3: Cross multiply
    457,499.14x = 686,412.05 × 277,950.85
  4. Step 4: Simplify right side
    457,499.14x = 190,788,812,747.74
  5. Step 5: Solve for x
    x = 190,788,812,747.74/457,499.14
  6. Step 6: Final answer
    x = 417,025.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.