Home / 775,340.66-1,069,813.22-452,988.47

Finding the Fourth Proportional to 775,340.66, 1,069,813.22 and 452,988.47

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Solution

The fourth proportional to 775,340.66, 1,069,813.22 and 452,988.47 is: 625,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,340.66 : 1,069,813.22 = 452,988.47 : x
  2. Step 2: Convert to fraction form
    775,340.66/1,069,813.22 = 452,988.47/x
  3. Step 3: Cross multiply
    775,340.66x = 1,069,813.22 × 452,988.47
  4. Step 4: Simplify right side
    775,340.66x = 484,613,046,099.57
  5. Step 5: Solve for x
    x = 484,613,046,099.57/775,340.66
  6. Step 6: Final answer
    x = 625,032.42

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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.