Home / 1,217,788.65-1,680,506.82-673,947.36

Finding the Fourth Proportional to 1,217,788.65, 1,680,506.82 and 673,947.36

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Solution

The fourth proportional to 1,217,788.65, 1,680,506.82 and 673,947.36 is: 930,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,788.65 : 1,680,506.82 = 673,947.36 : x
  2. Step 2: Convert to fraction form
    1,217,788.65/1,680,506.82 = 673,947.36/x
  3. Step 3: Cross multiply
    1,217,788.65x = 1,680,506.82 × 673,947.36
  4. Step 4: Simplify right side
    1,217,788.65x = 1,132,573,134,801.00
  5. Step 5: Solve for x
    x = 1,132,573,134,801.00/1,217,788.65
  6. Step 6: Final answer
    x = 930,024.38

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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.