Home / 523,063.01-720,451.97-401,972.45

Finding the Fourth Proportional to 523,063.01, 720,451.97 and 401,972.45

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Solution

The fourth proportional to 523,063.01, 720,451.97 and 401,972.45 is: 553,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,063.01 : 720,451.97 = 401,972.45 : x
  2. Step 2: Convert to fraction form
    523,063.01/720,451.97 = 401,972.45/x
  3. Step 3: Cross multiply
    523,063.01x = 720,451.97 × 401,972.45
  4. Step 4: Simplify right side
    523,063.01x = 289,601,840,890.90
  5. Step 5: Solve for x
    x = 289,601,840,890.90/523,063.01
  6. Step 6: Final answer
    x = 553,665.31

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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.