Home / 930,786.92-1,394,888.64-424,109.66

Finding the Fourth Proportional to 930,786.92, 1,394,888.64 and 424,109.66

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Solution

The fourth proportional to 930,786.92, 1,394,888.64 and 424,109.66 is: 635,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,786.92 : 1,394,888.64 = 424,109.66 : x
  2. Step 2: Convert to fraction form
    930,786.92/1,394,888.64 = 424,109.66/x
  3. Step 3: Cross multiply
    930,786.92x = 1,394,888.64 × 424,109.66
  4. Step 4: Simplify right side
    930,786.92x = 591,585,746,848.26
  5. Step 5: Solve for x
    x = 591,585,746,848.26/930,786.92
  6. Step 6: Final answer
    x = 635,575.91

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1.5x scale

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.