Home / 716,719.06-1,075,743.78-361,982.17

Finding the Fourth Proportional to 716,719.06, 1,075,743.78 and 361,982.17

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Solution

The fourth proportional to 716,719.06, 1,075,743.78 and 361,982.17 is: 543,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,719.06 : 1,075,743.78 = 361,982.17 : x
  2. Step 2: Convert to fraction form
    716,719.06/1,075,743.78 = 361,982.17/x
  3. Step 3: Cross multiply
    716,719.06x = 1,075,743.78 × 361,982.17
  4. Step 4: Simplify right side
    716,719.06x = 389,400,067,848.40
  5. Step 5: Solve for x
    x = 389,400,067,848.40/716,719.06
  6. Step 6: Final answer
    x = 543,309.21

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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.