Home / 1,172,369.32-1,617,956.66-656,175.08

Finding the Fourth Proportional to 1,172,369.32, 1,617,956.66 and 656,175.08

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Solution

The fourth proportional to 1,172,369.32, 1,617,956.66 and 656,175.08 is: 905,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,369.32 : 1,617,956.66 = 656,175.08 : x
  2. Step 2: Convert to fraction form
    1,172,369.32/1,617,956.66 = 656,175.08/x
  3. Step 3: Cross multiply
    1,172,369.32x = 1,617,956.66 × 656,175.08
  4. Step 4: Simplify right side
    1,172,369.32x = 1,061,662,840,812.03
  5. Step 5: Solve for x
    x = 1,061,662,840,812.03/1,172,369.32
  6. Step 6: Final answer
    x = 905,570.30

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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.