Home / 1,007,545.96-1,390,393.42-548,665.98

Finding the Fourth Proportional to 1,007,545.96, 1,390,393.42 and 548,665.98

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Solution

The fourth proportional to 1,007,545.96, 1,390,393.42 and 548,665.98 is: 757,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,545.96 : 1,390,393.42 = 548,665.98 : x
  2. Step 2: Convert to fraction form
    1,007,545.96/1,390,393.42 = 548,665.98/x
  3. Step 3: Cross multiply
    1,007,545.96x = 1,390,393.42 × 548,665.98
  4. Step 4: Simplify right side
    1,007,545.96x = 762,861,568,369.85
  5. Step 5: Solve for x
    x = 762,861,568,369.85/1,007,545.96
  6. Step 6: Final answer
    x = 757,148.16

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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.