Home / 1,217,528.60-1,680,238.98-673,655.54

Finding the Fourth Proportional to 1,217,528.60, 1,680,238.98 and 673,655.54

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Solution

The fourth proportional to 1,217,528.60, 1,680,238.98 and 673,655.54 is: 929,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,528.60 : 1,680,238.98 = 673,655.54 : x
  2. Step 2: Convert to fraction form
    1,217,528.60/1,680,238.98 = 673,655.54/x
  3. Step 3: Cross multiply
    1,217,528.60x = 1,680,238.98 × 673,655.54
  4. Step 4: Simplify right side
    1,217,528.60x = 1,131,902,288,999.75
  5. Step 5: Solve for x
    x = 1,131,902,288,999.75/1,217,528.60
  6. Step 6: Final answer
    x = 929,672.04

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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.