Home / 809,239.81-1,116,584.22-465,009.22

Finding the Fourth Proportional to 809,239.81, 1,116,584.22 and 465,009.22

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Solution

The fourth proportional to 809,239.81, 1,116,584.22 and 465,009.22 is: 641,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,239.81 : 1,116,584.22 = 465,009.22 : x
  2. Step 2: Convert to fraction form
    809,239.81/1,116,584.22 = 465,009.22/x
  3. Step 3: Cross multiply
    809,239.81x = 1,116,584.22 × 465,009.22
  4. Step 4: Simplify right side
    809,239.81x = 519,221,957,206.51
  5. Step 5: Solve for x
    x = 519,221,957,206.51/809,239.81
  6. Step 6: Final answer
    x = 641,616.92

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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.