Home / 718,109.90-1,077,364.14-313,337.54

Finding the Fourth Proportional to 718,109.90, 1,077,364.14 and 313,337.54

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Solution

The fourth proportional to 718,109.90, 1,077,364.14 and 313,337.54 is: 470,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,109.90 : 1,077,364.14 = 313,337.54 : x
  2. Step 2: Convert to fraction form
    718,109.90/1,077,364.14 = 313,337.54/x
  3. Step 3: Cross multiply
    718,109.90x = 1,077,364.14 × 313,337.54
  4. Step 4: Simplify right side
    718,109.90x = 337,578,629,311.82
  5. Step 5: Solve for x
    x = 337,578,629,311.82/718,109.90
  6. Step 6: Final answer
    x = 470,093.27

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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.