Home / 1,217,529.40-1,680,240.10-673,656.34

Finding the Fourth Proportional to 1,217,529.40, 1,680,240.10 and 673,656.34

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Solution

The fourth proportional to 1,217,529.40, 1,680,240.10 and 673,656.34 is: 929,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,529.40 : 1,680,240.10 = 673,656.34 : x
  2. Step 2: Convert to fraction form
    1,217,529.40/1,680,240.10 = 673,656.34/x
  3. Step 3: Cross multiply
    1,217,529.40x = 1,680,240.10 × 673,656.34
  4. Step 4: Simplify right side
    1,217,529.40x = 1,131,904,396,087.23
  5. Step 5: Solve for x
    x = 1,131,904,396,087.23/1,217,529.40
  6. Step 6: Final answer
    x = 929,673.15

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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.