Home / 1,943,166.65-2,915,082.14-663,703.88

Finding the Fourth Proportional to 1,943,166.65, 2,915,082.14 and 663,703.88

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Solution

The fourth proportional to 1,943,166.65, 2,915,082.14 and 663,703.88 is: 995,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,166.65 : 2,915,082.14 = 663,703.88 : x
  2. Step 2: Convert to fraction form
    1,943,166.65/2,915,082.14 = 663,703.88/x
  3. Step 3: Cross multiply
    1,943,166.65x = 2,915,082.14 × 663,703.88
  4. Step 4: Simplify right side
    1,943,166.65x = 1,934,751,308,942.77
  5. Step 5: Solve for x
    x = 1,934,751,308,942.77/1,943,166.65
  6. Step 6: Final answer
    x = 995,669.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.