Home / 420,619.41-627,710.00-375,742.17

Finding the Fourth Proportional to 420,619.41, 627,710.00 and 375,742.17

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Solution

The fourth proportional to 420,619.41, 627,710.00 and 375,742.17 is: 560,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,619.41 : 627,710.00 = 375,742.17 : x
  2. Step 2: Convert to fraction form
    420,619.41/627,710.00 = 375,742.17/x
  3. Step 3: Cross multiply
    420,619.41x = 627,710.00 × 375,742.17
  4. Step 4: Simplify right side
    420,619.41x = 235,857,115,651.99
  5. Step 5: Solve for x
    x = 235,857,115,651.99/420,619.41
  6. Step 6: Final answer
    x = 560,737.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.