Home / 775,892.63-1,070,571.29-453,540.35

Finding the Fourth Proportional to 775,892.63, 1,070,571.29 and 453,540.35

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Solution

The fourth proportional to 775,892.63, 1,070,571.29 and 453,540.35 is: 625,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,892.63 : 1,070,571.29 = 453,540.35 : x
  2. Step 2: Convert to fraction form
    775,892.63/1,070,571.29 = 453,540.35/x
  3. Step 3: Cross multiply
    775,892.63x = 1,070,571.29 × 453,540.35
  4. Step 4: Simplify right side
    775,892.63x = 485,547,269,945.99
  5. Step 5: Solve for x
    x = 485,547,269,945.99/775,892.63
  6. Step 6: Final answer
    x = 625,791.84

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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.