Home / 719,834.50-993,371.61-418,047.94

Finding the Fourth Proportional to 719,834.50, 993,371.61 and 418,047.94

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Solution

The fourth proportional to 719,834.50, 993,371.61 and 418,047.94 is: 576,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,834.50 : 993,371.61 = 418,047.94 : x
  2. Step 2: Convert to fraction form
    719,834.50/993,371.61 = 418,047.94/x
  3. Step 3: Cross multiply
    719,834.50x = 993,371.61 × 418,047.94
  4. Step 4: Simplify right side
    719,834.50x = 415,276,955,214.98
  5. Step 5: Solve for x
    x = 415,276,955,214.98/719,834.50
  6. Step 6: Final answer
    x = 576,906.16

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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.