Home / 809,396.65-1,116,976.43-446,820.71

Finding the Fourth Proportional to 809,396.65, 1,116,976.43 and 446,820.71

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Solution

The fourth proportional to 809,396.65, 1,116,976.43 and 446,820.71 is: 616,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,396.65 : 1,116,976.43 = 446,820.71 : x
  2. Step 2: Convert to fraction form
    809,396.65/1,116,976.43 = 446,820.71/x
  3. Step 3: Cross multiply
    809,396.65x = 1,116,976.43 × 446,820.71
  4. Step 4: Simplify right side
    809,396.65x = 499,088,197,038.04
  5. Step 5: Solve for x
    x = 499,088,197,038.04/809,396.65
  6. Step 6: Final answer
    x = 616,617.57

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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.