Home / 376,828.96-520,025.68-207,066.40

Finding the Fourth Proportional to 376,828.96, 520,025.68 and 207,066.40

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Solution

The fourth proportional to 376,828.96, 520,025.68 and 207,066.40 is: 285,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,828.96 : 520,025.68 = 207,066.40 : x
  2. Step 2: Convert to fraction form
    376,828.96/520,025.68 = 207,066.40/x
  3. Step 3: Cross multiply
    376,828.96x = 520,025.68 × 207,066.40
  4. Step 4: Simplify right side
    376,828.96x = 107,679,845,465.15
  5. Step 5: Solve for x
    x = 107,679,845,465.15/376,828.96
  6. Step 6: Final answer
    x = 285,752.57

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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.