Home / 809,332.64-1,116,879.28-446,756.80

Finding the Fourth Proportional to 809,332.64, 1,116,879.28 and 446,756.80

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Solution

The fourth proportional to 809,332.64, 1,116,879.28 and 446,756.80 is: 616,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,332.64 : 1,116,879.28 = 446,756.80 : x
  2. Step 2: Convert to fraction form
    809,332.64/1,116,879.28 = 446,756.80/x
  3. Step 3: Cross multiply
    809,332.64x = 1,116,879.28 × 446,756.80
  4. Step 4: Simplify right side
    809,332.64x = 498,973,413,119.10
  5. Step 5: Solve for x
    x = 498,973,413,119.10/809,332.64
  6. Step 6: Final answer
    x = 616,524.51

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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.