Home / 682,756.75-942,204.32-380,950.75

Finding the Fourth Proportional to 682,756.75, 942,204.32 and 380,950.75

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Solution

The fourth proportional to 682,756.75, 942,204.32 and 380,950.75 is: 525,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,756.75 : 942,204.32 = 380,950.75 : x
  2. Step 2: Convert to fraction form
    682,756.75/942,204.32 = 380,950.75/x
  3. Step 3: Cross multiply
    682,756.75x = 942,204.32 × 380,950.75
  4. Step 4: Simplify right side
    682,756.75x = 358,933,442,357.24
  5. Step 5: Solve for x
    x = 358,933,442,357.24/682,756.75
  6. Step 6: Final answer
    x = 525,712.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.