Home / 1,217,631.96-1,680,272.64-673,757.64

Finding the Fourth Proportional to 1,217,631.96, 1,680,272.64 and 673,757.64

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Solution

The fourth proportional to 1,217,631.96, 1,680,272.64 and 673,757.64 is: 929,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,631.96 : 1,680,272.64 = 673,757.64 : x
  2. Step 2: Convert to fraction form
    1,217,631.96/1,680,272.64 = 673,757.64/x
  3. Step 3: Cross multiply
    1,217,631.96x = 1,680,272.64 × 673,757.64
  4. Step 4: Simplify right side
    1,217,631.96x = 1,132,096,528,482.97
  5. Step 5: Solve for x
    x = 1,132,096,528,482.97/1,217,631.96
  6. Step 6: Final answer
    x = 929,752.64

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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.