Home / 1,172,724.84-1,618,431.84-656,468.64

Finding the Fourth Proportional to 1,172,724.84, 1,618,431.84 and 656,468.64

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Solution

The fourth proportional to 1,172,724.84, 1,618,431.84 and 656,468.64 is: 905,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,724.84 : 1,618,431.84 = 656,468.64 : x
  2. Step 2: Convert to fraction form
    1,172,724.84/1,618,431.84 = 656,468.64/x
  3. Step 3: Cross multiply
    1,172,724.84x = 1,618,431.84 × 656,468.64
  4. Step 4: Simplify right side
    1,172,724.84x = 1,062,449,748,937.50
  5. Step 5: Solve for x
    x = 1,062,449,748,937.50/1,172,724.84
  6. Step 6: Final answer
    x = 905,966.78

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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.