Home / 1,217,666.56-1,680,336.48-673,792.96

Finding the Fourth Proportional to 1,217,666.56, 1,680,336.48 and 673,792.96

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Solution

The fourth proportional to 1,217,666.56, 1,680,336.48 and 673,792.96 is: 929,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,666.56 : 1,680,336.48 = 673,792.96 : x
  2. Step 2: Convert to fraction form
    1,217,666.56/1,680,336.48 = 673,792.96/x
  3. Step 3: Cross multiply
    1,217,666.56x = 1,680,336.48 × 673,792.96
  4. Step 4: Simplify right side
    1,217,666.56x = 1,132,198,890,655.18
  5. Step 5: Solve for x
    x = 1,132,198,890,655.18/1,217,666.56
  6. Step 6: Final answer
    x = 929,810.28

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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.