Home / 559,942.79-839,382.06-356,969.12

Finding the Fourth Proportional to 559,942.79, 839,382.06 and 356,969.12

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Solution

The fourth proportional to 559,942.79, 839,382.06 and 356,969.12 is: 535,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,942.79 : 839,382.06 = 356,969.12 : x
  2. Step 2: Convert to fraction form
    559,942.79/839,382.06 = 356,969.12/x
  3. Step 3: Cross multiply
    559,942.79x = 839,382.06 × 356,969.12
  4. Step 4: Simplify right side
    559,942.79x = 299,633,475,301.99
  5. Step 5: Solve for x
    x = 299,633,475,301.99/559,942.79
  6. Step 6: Final answer
    x = 535,114.44

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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.