Home / 984,257.81-1,476,545.73-415,724.38

Finding the Fourth Proportional to 984,257.81, 1,476,545.73 and 415,724.38

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Solution

The fourth proportional to 984,257.81, 1,476,545.73 and 415,724.38 is: 623,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,257.81 : 1,476,545.73 = 415,724.38 : x
  2. Step 2: Convert to fraction form
    984,257.81/1,476,545.73 = 415,724.38/x
  3. Step 3: Cross multiply
    984,257.81x = 1,476,545.73 × 415,724.38
  4. Step 4: Simplify right side
    984,257.81x = 613,836,058,145.90
  5. Step 5: Solve for x
    x = 613,836,058,145.90/984,257.81
  6. Step 6: Final answer
    x = 623,653.73

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1.5x scale

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.