Home / 578,503.40-867,675.10-179,418.60

Finding the Fourth Proportional to 578,503.40, 867,675.10 and 179,418.60

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Solution

The fourth proportional to 578,503.40, 867,675.10 and 179,418.60 is: 269,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,503.40 : 867,675.10 = 179,418.60 : x
  2. Step 2: Convert to fraction form
    578,503.40/867,675.10 = 179,418.60/x
  3. Step 3: Cross multiply
    578,503.40x = 867,675.10 × 179,418.60
  4. Step 4: Simplify right side
    578,503.40x = 155,677,051,696.86
  5. Step 5: Solve for x
    x = 155,677,051,696.86/578,503.40
  6. Step 6: Final answer
    x = 269,103.09

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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.