Home / 483,120.52-727,574.26-440,025.28

Finding the Fourth Proportional to 483,120.52, 727,574.26 and 440,025.28

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Solution

The fourth proportional to 483,120.52, 727,574.26 and 440,025.28 is: 662,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,120.52 : 727,574.26 = 440,025.28 : x
  2. Step 2: Convert to fraction form
    483,120.52/727,574.26 = 440,025.28/x
  3. Step 3: Cross multiply
    483,120.52x = 727,574.26 × 440,025.28
  4. Step 4: Simplify right side
    483,120.52x = 320,151,067,477.29
  5. Step 5: Solve for x
    x = 320,151,067,477.29/483,120.52
  6. Step 6: Final answer
    x = 662,673.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.