Home / 1,217,567.64-1,680,099.36-673,631.58

Finding the Fourth Proportional to 1,217,567.64, 1,680,099.36 and 673,631.58

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Solution

The fourth proportional to 1,217,567.64, 1,680,099.36 and 673,631.58 is: 929,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,567.64 : 1,680,099.36 = 673,631.58 : x
  2. Step 2: Convert to fraction form
    1,217,567.64/1,680,099.36 = 673,631.58/x
  3. Step 3: Cross multiply
    1,217,567.64x = 1,680,099.36 × 673,631.58
  4. Step 4: Simplify right side
    1,217,567.64x = 1,131,767,986,433.79
  5. Step 5: Solve for x
    x = 1,131,767,986,433.79/1,217,567.64
  6. Step 6: Final answer
    x = 929,531.92

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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.