Home / 578,048.60-867,072.90-329,216.60

Finding the Fourth Proportional to 578,048.60, 867,072.90 and 329,216.60

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Solution

The fourth proportional to 578,048.60, 867,072.90 and 329,216.60 is: 493,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,048.60 : 867,072.90 = 329,216.60 : x
  2. Step 2: Convert to fraction form
    578,048.60/867,072.90 = 329,216.60/x
  3. Step 3: Cross multiply
    578,048.60x = 867,072.90 × 329,216.60
  4. Step 4: Simplify right side
    578,048.60x = 285,454,792,090.14
  5. Step 5: Solve for x
    x = 285,454,792,090.14/578,048.60
  6. Step 6: Final answer
    x = 493,824.90

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Similar ratio
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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.