Home / 946,545.81-1,418,976.72-347,369.82

Finding the Fourth Proportional to 946,545.81, 1,418,976.72 and 347,369.82

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Solution

The fourth proportional to 946,545.81, 1,418,976.72 and 347,369.82 is: 520,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,545.81 : 1,418,976.72 = 347,369.82 : x
  2. Step 2: Convert to fraction form
    946,545.81/1,418,976.72 = 347,369.82/x
  3. Step 3: Cross multiply
    946,545.81x = 1,418,976.72 × 347,369.82
  4. Step 4: Simplify right side
    946,545.81x = 492,909,687,810.59
  5. Step 5: Solve for x
    x = 492,909,687,810.59/946,545.81
  6. Step 6: Final answer
    x = 520,745.73

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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.