Home / 718,056.48-1,074,998.16-417,620.64

Finding the Fourth Proportional to 718,056.48, 1,074,998.16 and 417,620.64

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Solution

The fourth proportional to 718,056.48, 1,074,998.16 and 417,620.64 is: 625,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,056.48 : 1,074,998.16 = 417,620.64 : x
  2. Step 2: Convert to fraction form
    718,056.48/1,074,998.16 = 417,620.64/x
  3. Step 3: Cross multiply
    718,056.48x = 1,074,998.16 × 417,620.64
  4. Step 4: Simplify right side
    718,056.48x = 448,941,419,578.02
  5. Step 5: Solve for x
    x = 448,941,419,578.02/718,056.48
  6. Step 6: Final answer
    x = 625,217.42

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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.