Home / 684,963.27-945,629.37-413,100.32

Finding the Fourth Proportional to 684,963.27, 945,629.37 and 413,100.32

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Solution

The fourth proportional to 684,963.27, 945,629.37 and 413,100.32 is: 570,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,963.27 : 945,629.37 = 413,100.32 : x
  2. Step 2: Convert to fraction form
    684,963.27/945,629.37 = 413,100.32/x
  3. Step 3: Cross multiply
    684,963.27x = 945,629.37 × 413,100.32
  4. Step 4: Simplify right side
    684,963.27x = 390,639,790,620.25
  5. Step 5: Solve for x
    x = 390,639,790,620.25/684,963.27
  6. Step 6: Final answer
    x = 570,307.65

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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.