Home / 578,636.40-867,874.60-179,551.60

Finding the Fourth Proportional to 578,636.40, 867,874.60 and 179,551.60

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Solution

The fourth proportional to 578,636.40, 867,874.60 and 179,551.60 is: 269,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,636.40 : 867,874.60 = 179,551.60 : x
  2. Step 2: Convert to fraction form
    578,636.40/867,874.60 = 179,551.60/x
  3. Step 3: Cross multiply
    578,636.40x = 867,874.60 × 179,551.60
  4. Step 4: Simplify right side
    578,636.40x = 155,828,273,029.36
  5. Step 5: Solve for x
    x = 155,828,273,029.36/578,636.40
  6. Step 6: Final answer
    x = 269,302.58

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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.