Home / 809,400.32-1,116,976.01-446,827.16

Finding the Fourth Proportional to 809,400.32, 1,116,976.01 and 446,827.16

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Solution

The fourth proportional to 809,400.32, 1,116,976.01 and 446,827.16 is: 616,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,400.32 : 1,116,976.01 = 446,827.16 : x
  2. Step 2: Convert to fraction form
    809,400.32/1,116,976.01 = 446,827.16/x
  3. Step 3: Cross multiply
    809,400.32x = 1,116,976.01 × 446,827.16
  4. Step 4: Simplify right side
    809,400.32x = 499,095,213,083.04
  5. Step 5: Solve for x
    x = 499,095,213,083.04/809,400.32
  6. Step 6: Final answer
    x = 616,623.45

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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.