Home / 809,237.81-1,116,581.47-465,007.23

Finding the Fourth Proportional to 809,237.81, 1,116,581.47 and 465,007.23

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Solution

The fourth proportional to 809,237.81, 1,116,581.47 and 465,007.23 is: 641,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,237.81 : 1,116,581.47 = 465,007.23 : x
  2. Step 2: Convert to fraction form
    809,237.81/1,116,581.47 = 465,007.23/x
  3. Step 3: Cross multiply
    809,237.81x = 1,116,581.47 × 465,007.23
  4. Step 4: Simplify right side
    809,237.81x = 519,218,456,434.03
  5. Step 5: Solve for x
    x = 519,218,456,434.03/809,237.81
  6. Step 6: Final answer
    x = 641,614.18

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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.