Home / 687,615.94-1,032,503.49-582,379.57

Finding the Fourth Proportional to 687,615.94, 1,032,503.49 and 582,379.57

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Solution

The fourth proportional to 687,615.94, 1,032,503.49 and 582,379.57 is: 874,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,615.94 : 1,032,503.49 = 582,379.57 : x
  2. Step 2: Convert to fraction form
    687,615.94/1,032,503.49 = 582,379.57/x
  3. Step 3: Cross multiply
    687,615.94x = 1,032,503.49 × 582,379.57
  4. Step 4: Simplify right side
    687,615.94x = 601,308,938,529.70
  5. Step 5: Solve for x
    x = 601,308,938,529.70/687,615.94
  6. Step 6: Final answer
    x = 874,483.71

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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.