Home / 516,348.06-774,825.23-216,805.60

Finding the Fourth Proportional to 516,348.06, 774,825.23 and 216,805.60

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Solution

The fourth proportional to 516,348.06, 774,825.23 and 216,805.60 is: 325,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,348.06 : 774,825.23 = 216,805.60 : x
  2. Step 2: Convert to fraction form
    516,348.06/774,825.23 = 216,805.60/x
  3. Step 3: Cross multiply
    516,348.06x = 774,825.23 × 216,805.60
  4. Step 4: Simplify right side
    516,348.06x = 167,986,447,801.26
  5. Step 5: Solve for x
    x = 167,986,447,801.26/516,348.06
  6. Step 6: Final answer
    x = 325,335.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.