Home / 809,319.86-1,116,855.12-446,743.84

Finding the Fourth Proportional to 809,319.86, 1,116,855.12 and 446,743.84

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Solution

The fourth proportional to 809,319.86, 1,116,855.12 and 446,743.84 is: 616,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,319.86 : 1,116,855.12 = 446,743.84 : x
  2. Step 2: Convert to fraction form
    809,319.86/1,116,855.12 = 446,743.84/x
  3. Step 3: Cross multiply
    809,319.86x = 1,116,855.12 × 446,743.84
  4. Step 4: Simplify right side
    809,319.86x = 498,948,145,032.46
  5. Step 5: Solve for x
    x = 498,948,145,032.46/809,319.86
  6. Step 6: Final answer
    x = 616,503.03

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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.