Home / 718,026.64-1,077,239.52-313,254.24

Finding the Fourth Proportional to 718,026.64, 1,077,239.52 and 313,254.24

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Solution

The fourth proportional to 718,026.64, 1,077,239.52 and 313,254.24 is: 469,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,026.64 : 1,077,239.52 = 313,254.24 : x
  2. Step 2: Convert to fraction form
    718,026.64/1,077,239.52 = 313,254.24/x
  3. Step 3: Cross multiply
    718,026.64x = 1,077,239.52 × 313,254.24
  4. Step 4: Simplify right side
    718,026.64x = 337,449,847,135.57
  5. Step 5: Solve for x
    x = 337,449,847,135.57/718,026.64
  6. Step 6: Final answer
    x = 469,968.42

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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.