Home / 714,579.28-1,070,467.64-414,429.48

Finding the Fourth Proportional to 714,579.28, 1,070,467.64 and 414,429.48

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Solution

The fourth proportional to 714,579.28, 1,070,467.64 and 414,429.48 is: 620,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,579.28 : 1,070,467.64 = 414,429.48 : x
  2. Step 2: Convert to fraction form
    714,579.28/1,070,467.64 = 414,429.48/x
  3. Step 3: Cross multiply
    714,579.28x = 1,070,467.64 × 414,429.48
  4. Step 4: Simplify right side
    714,579.28x = 443,633,347,402.03
  5. Step 5: Solve for x
    x = 443,633,347,402.03/714,579.28
  6. Step 6: Final answer
    x = 620,831.53

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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.