Home / 589,722.53-883,287.19-487,360.49

Finding the Fourth Proportional to 589,722.53, 883,287.19 and 487,360.49

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Solution

The fourth proportional to 589,722.53, 883,287.19 and 487,360.49 is: 729,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,722.53 : 883,287.19 = 487,360.49 : x
  2. Step 2: Convert to fraction form
    589,722.53/883,287.19 = 487,360.49/x
  3. Step 3: Cross multiply
    589,722.53x = 883,287.19 × 487,360.49
  4. Step 4: Simplify right side
    589,722.53x = 430,479,280,546.54
  5. Step 5: Solve for x
    x = 430,479,280,546.54/589,722.53
  6. Step 6: Final answer
    x = 729,969.19

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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.