Home / 480,336.48-720,583.02-147,912.48

Finding the Fourth Proportional to 480,336.48, 720,583.02 and 147,912.48

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Solution

The fourth proportional to 480,336.48, 720,583.02 and 147,912.48 is: 221,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,336.48 : 720,583.02 = 147,912.48 : x
  2. Step 2: Convert to fraction form
    480,336.48/720,583.02 = 147,912.48/x
  3. Step 3: Cross multiply
    480,336.48x = 720,583.02 × 147,912.48
  4. Step 4: Simplify right side
    480,336.48x = 106,583,221,534.09
  5. Step 5: Solve for x
    x = 106,583,221,534.09/480,336.48
  6. Step 6: Final answer
    x = 221,892.83

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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.