Home / 1,173,449.25-1,619,082.30-664,151.64

Finding the Fourth Proportional to 1,173,449.25, 1,619,082.30 and 664,151.64

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Solution

The fourth proportional to 1,173,449.25, 1,619,082.30 and 664,151.64 is: 916,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,449.25 : 1,619,082.30 = 664,151.64 : x
  2. Step 2: Convert to fraction form
    1,173,449.25/1,619,082.30 = 664,151.64/x
  3. Step 3: Cross multiply
    1,173,449.25x = 1,619,082.30 × 664,151.64
  4. Step 4: Simplify right side
    1,173,449.25x = 1,075,316,164,839.97
  5. Step 5: Solve for x
    x = 1,075,316,164,839.97/1,173,449.25
  6. Step 6: Final answer
    x = 916,372.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.