Home / 775,539.35-1,163,340.32-270,151.45

Finding the Fourth Proportional to 775,539.35, 1,163,340.32 and 270,151.45

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Solution

The fourth proportional to 775,539.35, 1,163,340.32 and 270,151.45 is: 405,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,539.35 : 1,163,340.32 = 270,151.45 : x
  2. Step 2: Convert to fraction form
    775,539.35/1,163,340.32 = 270,151.45/x
  3. Step 3: Cross multiply
    775,539.35x = 1,163,340.32 × 270,151.45
  4. Step 4: Simplify right side
    775,539.35x = 314,278,070,032.36
  5. Step 5: Solve for x
    x = 314,278,070,032.36/775,539.35
  6. Step 6: Final answer
    x = 405,238.07

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Double scale
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1.5x scale

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.