Home / 930,781.92-1,394,881.16-424,104.65

Finding the Fourth Proportional to 930,781.92, 1,394,881.16 and 424,104.65

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Solution

The fourth proportional to 930,781.92, 1,394,881.16 and 424,104.65 is: 635,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,781.92 : 1,394,881.16 = 424,104.65 : x
  2. Step 2: Convert to fraction form
    930,781.92/1,394,881.16 = 424,104.65/x
  3. Step 3: Cross multiply
    930,781.92x = 1,394,881.16 × 424,104.65
  4. Step 4: Simplify right side
    930,781.92x = 591,575,577,058.47
  5. Step 5: Solve for x
    x = 591,575,577,058.47/930,781.92
  6. Step 6: Final answer
    x = 635,568.40

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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.