Home / 1,472,422.89-2,208,683.75-407,375.76

Finding the Fourth Proportional to 1,472,422.89, 2,208,683.75 and 407,375.76

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Solution

The fourth proportional to 1,472,422.89, 2,208,683.75 and 407,375.76 is: 611,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,422.89 : 2,208,683.75 = 407,375.76 : x
  2. Step 2: Convert to fraction form
    1,472,422.89/2,208,683.75 = 407,375.76/x
  3. Step 3: Cross multiply
    1,472,422.89x = 2,208,683.75 × 407,375.76
  4. Step 4: Simplify right side
    1,472,422.89x = 899,764,221,255.90
  5. Step 5: Solve for x
    x = 899,764,221,255.90/1,472,422.89
  6. Step 6: Final answer
    x = 611,077.31

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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.