Home / 809,412.68-1,116,998.57-446,836.77

Finding the Fourth Proportional to 809,412.68, 1,116,998.57 and 446,836.77

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Solution

The fourth proportional to 809,412.68, 1,116,998.57 and 446,836.77 is: 616,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,412.68 : 1,116,998.57 = 446,836.77 : x
  2. Step 2: Convert to fraction form
    809,412.68/1,116,998.57 = 446,836.77/x
  3. Step 3: Cross multiply
    809,412.68x = 1,116,998.57 × 446,836.77
  4. Step 4: Simplify right side
    809,412.68x = 499,116,034,230.51
  5. Step 5: Solve for x
    x = 499,116,034,230.51/809,412.68
  6. Step 6: Final answer
    x = 616,639.75

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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.