Home / 377,515.99-520,983.02-205,445.06

Finding the Fourth Proportional to 377,515.99, 520,983.02 and 205,445.06

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Solution

The fourth proportional to 377,515.99, 520,983.02 and 205,445.06 is: 283,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,515.99 : 520,983.02 = 205,445.06 : x
  2. Step 2: Convert to fraction form
    377,515.99/520,983.02 = 205,445.06/x
  3. Step 3: Cross multiply
    377,515.99x = 520,983.02 × 205,445.06
  4. Step 4: Simplify right side
    377,515.99x = 107,033,387,665.27
  5. Step 5: Solve for x
    x = 107,033,387,665.27/377,515.99
  6. Step 6: Final answer
    x = 283,520.14

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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.