Home / 473,275.96-652,789.43-320,246.80

Finding the Fourth Proportional to 473,275.96, 652,789.43 and 320,246.80

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Solution

The fourth proportional to 473,275.96, 652,789.43 and 320,246.80 is: 441,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,275.96 : 652,789.43 = 320,246.80 : x
  2. Step 2: Convert to fraction form
    473,275.96/652,789.43 = 320,246.80/x
  3. Step 3: Cross multiply
    473,275.96x = 652,789.43 × 320,246.80
  4. Step 4: Simplify right side
    473,275.96x = 209,053,723,999.04
  5. Step 5: Solve for x
    x = 209,053,723,999.04/473,275.96
  6. Step 6: Final answer
    x = 441,716.34

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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.