Home / 516,351.06-774,829.73-216,808.60

Finding the Fourth Proportional to 516,351.06, 774,829.73 and 216,808.60

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Solution

The fourth proportional to 516,351.06, 774,829.73 and 216,808.60 is: 325,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,351.06 : 774,829.73 = 216,808.60 : x
  2. Step 2: Convert to fraction form
    516,351.06/774,829.73 = 216,808.60/x
  3. Step 3: Cross multiply
    516,351.06x = 774,829.73 × 216,808.60
  4. Step 4: Simplify right side
    516,351.06x = 167,989,748,999.68
  5. Step 5: Solve for x
    x = 167,989,748,999.68/516,351.06
  6. Step 6: Final answer
    x = 325,340.18

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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.