Home / 809,448.33-1,117,184.92-482,782.29

Finding the Fourth Proportional to 809,448.33, 1,117,184.92 and 482,782.29

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Solution

The fourth proportional to 809,448.33, 1,117,184.92 and 482,782.29 is: 666,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,448.33 : 1,117,184.92 = 482,782.29 : x
  2. Step 2: Convert to fraction form
    809,448.33/1,117,184.92 = 482,782.29/x
  3. Step 3: Cross multiply
    809,448.33x = 1,117,184.92 × 482,782.29
  4. Step 4: Simplify right side
    809,448.33x = 539,357,094,031.07
  5. Step 5: Solve for x
    x = 539,357,094,031.07/809,448.33
  6. Step 6: Final answer
    x = 666,326.77

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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.