Home / 930,894.75-1,284,651.77-517,470.35

Finding the Fourth Proportional to 930,894.75, 1,284,651.77 and 517,470.35

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Solution

The fourth proportional to 930,894.75, 1,284,651.77 and 517,470.35 is: 714,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,894.75 : 1,284,651.77 = 517,470.35 : x
  2. Step 2: Convert to fraction form
    930,894.75/1,284,651.77 = 517,470.35/x
  3. Step 3: Cross multiply
    930,894.75x = 1,284,651.77 × 517,470.35
  4. Step 4: Simplify right side
    930,894.75x = 664,769,192,039.41
  5. Step 5: Solve for x
    x = 664,769,192,039.41/930,894.75
  6. Step 6: Final answer
    x = 714,118.53

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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.