Home / 1,779,335.51-2,668,451.25-641,949.85

Finding the Fourth Proportional to 1,779,335.51, 2,668,451.25 and 641,949.85

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Solution

The fourth proportional to 1,779,335.51, 2,668,451.25 and 641,949.85 is: 962,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,335.51 : 2,668,451.25 = 641,949.85 : x
  2. Step 2: Convert to fraction form
    1,779,335.51/2,668,451.25 = 641,949.85/x
  3. Step 3: Cross multiply
    1,779,335.51x = 2,668,451.25 × 641,949.85
  4. Step 4: Simplify right side
    1,779,335.51x = 1,713,011,879,669.81
  5. Step 5: Solve for x
    x = 1,713,011,879,669.81/1,779,335.51
  6. Step 6: Final answer
    x = 962,725.62

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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.