Home / 716,736.21-1,075,259.86-218,087.25

Finding the Fourth Proportional to 716,736.21, 1,075,259.86 and 218,087.25

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Solution

The fourth proportional to 716,736.21, 1,075,259.86 and 218,087.25 is: 327,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,736.21 : 1,075,259.86 = 218,087.25 : x
  2. Step 2: Convert to fraction form
    716,736.21/1,075,259.86 = 218,087.25/x
  3. Step 3: Cross multiply
    716,736.21x = 1,075,259.86 × 218,087.25
  4. Step 4: Simplify right side
    716,736.21x = 234,500,464,812.35
  5. Step 5: Solve for x
    x = 234,500,464,812.35/716,736.21
  6. Step 6: Final answer
    x = 327,178.20

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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.