Home / 997,834.79-1,377,011.46-538,949.12

Finding the Fourth Proportional to 997,834.79, 1,377,011.46 and 538,949.12

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Solution

The fourth proportional to 997,834.79, 1,377,011.46 and 538,949.12 is: 743,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,834.79 : 1,377,011.46 = 538,949.12 : x
  2. Step 2: Convert to fraction form
    997,834.79/1,377,011.46 = 538,949.12/x
  3. Step 3: Cross multiply
    997,834.79x = 1,377,011.46 × 538,949.12
  4. Step 4: Simplify right side
    997,834.79x = 742,139,114,596.92
  5. Step 5: Solve for x
    x = 742,139,114,596.92/997,834.79
  6. Step 6: Final answer
    x = 743,749.49

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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.