Home / 716,665.38-1,075,157.91-218,068.26

Finding the Fourth Proportional to 716,665.38, 1,075,157.91 and 218,068.26

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Solution

The fourth proportional to 716,665.38, 1,075,157.91 and 218,068.26 is: 327,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,665.38 : 1,075,157.91 = 218,068.26 : x
  2. Step 2: Convert to fraction form
    716,665.38/1,075,157.91 = 218,068.26/x
  3. Step 3: Cross multiply
    716,665.38x = 1,075,157.91 × 218,068.26
  4. Step 4: Simplify right side
    716,665.38x = 234,457,814,658.94
  5. Step 5: Solve for x
    x = 234,457,814,658.94/716,665.38
  6. Step 6: Final answer
    x = 327,151.03

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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.